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Last Modified: Aug 18, 2019

Part Number A51B21643-21 Internally Relieved Body Bolt

National Stock Number: 5306-00-003-6569

A51B21643-21 Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

A51B21643-21

2 9 5 1

A51B21643-21

2 9 5 5

A51B21643-21

2 2 3 5

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Summary Information (click on this NSN number for detailed information: 5306-00-003-6569)

Definition: Internally Relieved Body Bolt, also referenced with federal logistics item name code 6676: An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.
Federal Supply Class (FSC): 5306
NIIN: 00-003-6569 (000036569)
NMF Description: BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Similar parts: 5306-01-420-1497 5306-01-420-5279 5306-01-421-3186 5306-01-420-6033 5306-01-420-9339 5306-01-420-6700 5306-01-420-1978 5306-01-421-0605 5306-01-421-5096 5306-01-421-0506 5306-01-420-6728