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Last Modified: Oct 15, 2019

NSN 5306-00-003-6555 Bolt, Close Tolerance

MFG Part Numbers: A51H10634-11, A51H10634-11

Cross Reference Parts for NSN 5306-00-003-6555

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

A51H10634-11

2 2 3 1

A51H10634-11

2 2 5 1

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Part Information for NSN 5306-00-003-6555 (5306000036555)

Item Name: BOLT,CLOSE TOLERANCE
Federal Supply Class (FSC): 5306
NIIN: 00-003-6555 (000036555)
Definition: An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
NMF Description: METAL NOI/METAL ALLOYS NOI

Item Specifics

Federal Supply Class (FSC)
Bolts
Distance From Head Largest Bearing Surface To Shank Hole Center
1.750 inches nominal first hole CRZS
Extended Washer Diameter
1.040 inches minimum and 1.050 inches maximum AATC
Extended Washer Thickness
0.140 inches minimum and 0.160 inches maximum AATD
Fastener Length
2.233 inches minimum and 2.263 inches maximum AASB
Grip Diameter
0.6230 inches minimum and 0.6240 inches maximum AAUR
Grip Length
1.365 inches minimum and 1.385 inches maximum ANEE
Head Height
0.608 inches minimum and 0.628 inches maximum AASU
Head Style
Double hexagon w/hole AASK
Material
Titanium alloy overall MATT
Nominal Thread Diameter
0.625 inches AHYM
Material Document And Classification
Nas621 comp 6al-4v assn std single material response overall MDCL
Shank Unthreaded Hole Diameter
0.141 inches minimum first hole and 0.151 inches maximum first hole AAWB
Width Between Flats
0.682 inches minimum and 0.691 inches maximum AATB
Surface Finish
16.0 microinches threads CSYM
Surface Finish
63.0 microinches grip CSYM
Thread Class
3a AAJD
Thread Direction
Right-hand AAJF
Thread Length
0.848 inches minimum and 0.898 inches maximum AASA
Thread Quantity Per Inch
18 CMLP
Thread Series Designator
Unf THSD

Trade Control Compliance Schedule B Export Code: A ten position numeric code that identifies an item exported overseas. this unique identification code is assigned by the U.S. Census Bureau.

Schedule B Sch. B Description Demilitarization Classification ITAR Regulation
8109900000 Zirconium and articles thereof nesoi Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9). Unclassified Not ITAR Controlled

MOE / End Users Represents the subdivisions of a US governmental organization or an agency of the North Atlantic Treaty Organization (NATO), and other friendly governments and international organizations participating in the federal catalog program.

Country / Entity Name MOE
Defense Logistics Agency
Defense Logistics Agency ZZ

Material & Special Handling Item material and handling information

Code Description Value Meaning
HMIRS N Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals Indicator U Precious metal content is unknown
Criticality Code X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Code Description Code Value Meaning
NMF Description NMFC 136500 Metal Noi/metal Alloys Noi
Less than a truck load rating LTL W Rating variable
Water Commodity WCC 713 Metal hardware
Type of Cargo TCC Z No special type of cargo code applicable
Special Handling SHC 9 Other or no special handling required (sh)
Air Dimension Code ADC A Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity ACC B Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling ASH Array No special handling required.

Item Identification | Bolts

5306-00-003-6555, An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
5306 May 27, 1972 000036555 27851 (Bolt, Close Tolerance)

Close Tolerance Bolts Cross Reference

A51H10634-11 Cage Code 26512
A51H10634-11 Cage Code 61174

Codes

COUNTRY CODE: 00
CIIC: U
DML: A
HMIC: N
MGMT CTRL: -------
SOS: SMS
INC: 27851
AAC: V
CRITL CODE: X
DEMIL CODE: A
S A: DS
MGMT CTL: 9B----9
NIIN ASGMT: 27-MAY-72
QUP: C
SLC: 0
UI: EA
CAGE: 26512
RNCC: 3
RNVC: 2

Management

Navy Flag

Navy

Cognizance 9B – Naval inventory control point, mechanicsburg
Special Material
Requisition Restriction
Special Material Content 9 – Non-hazardous or non-sensitive item, does not require hazardous or special handling, packaging or precautions
Navy Flag

Navy Management Code Definition

Cognizance (COG) Identifies the inventory manager (IM) and inventory control point (ICP).
Special Material (SMIC) Categorizes material on the basis of requirements for source or quality control, technical design, or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling
Req. Restriction (IRRC) Item requisition instructions.
Special Material (SMCC) Indicated that an item represents or contains peculiar material requiring special treatment, precautions, or management.
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