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Last Modified: Jan 21, 2022

Part Number SMB640120-2 Shoulder Screw

National Stock Number: 5305-00-001-4873

SMB640120-2 Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

5305000014873

C 2 3 9

SMB640120-2

C 9 5 1

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Summary Information (click on this NSN number for detailed information: 5305-00-001-4873)

Definition: Shoulder Screw, also referenced with federal logistics item name code 22846: An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
Federal Supply Class (FSC): 5305
NIIN: 00-001-4873 (000014873)
NMF Description: BOLTS,NUTS OR SCREWS, NOI (SUB 3)
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