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National Stock Number:
5305-00-345-2269
Federal Supply Class:
5305
National Item Identification Number:
003452269
Description:
SCREW,SHOULDER
Detail:
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.
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Manufacturer Information:
| 66904H4-25 | 56878 | SPS TECHNOLOGIES, LLC | | 66904H4-25 | 80539 | SPS TECHNOLOGIES, LLC | | HS2623-4Z25Y | 17446 | HUCK INTERNATIONAL, INC | | HT308-4-25 | 73197 | HI-SHEAR CORPORATION | | HS2623-4Z25Y | 97928 | HUCK INTL INC | | HT308-4-25 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M547-4-25 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.944 INCHES MINIMUM AND 1.990 INCHES MAXIMUM | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-105,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SHOULDER DIAMETER | 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.458 INCHES MINIMUM AND 1.478 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIFICATION/STANDARD DATA | 76301-ST3-547 MANUFACTURERS SPECIFICATION | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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