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National Stock Number:
5305-00-250-2144
Federal Supply Class:
5305
National Item Identification Number:
002502144
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:
| AIC551C3-647 | 06725 | SPS TECHNOLOGIES, LLC | | B1990-7-4 | 03481 | BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS | | GS551C3-647 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS551C3-647 | 17446 | HUCK INTERNATIONAL, INC | | BM19069-3-647 | 17446 | HUCK INTERNATIONAL, INC | | BM19069-4-647 | 17446 | HUCK INTERNATIONAL, INC | | HP6551C3-647 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | GS551C3-647 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GS551C3-647 | 27624 | SPS TECHNOLOGIES LLC | | PBF1285-3-647 | 27624 | SPS TECHNOLOGIES LLC | | S100C3-647 | 28972 | FASTENER ENGINEERING CORP | | PIL551C3-647 | 47253 | PILGRIM SCREW CORPORATION | | GS551C3-647 | 47253 | PILGRIM SCREW CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.891 INCHES MINIMUM AND 0.921 INCHES MAXIMUM | | HEAD DIAMETER | 0.276 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 4037 OR STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PAINT TOP OF HEAD | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | SPECIAL FEATURES | TOP OF HEAD RED | | THREAD CLASS | 2A | | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.351 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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