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National Stock Number:
5305-00-151-8664
Federal Supply Class:
5305
National Item Identification Number:
001518664
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:
| AIC551C3-768 | 06725 | SPS TECHNOLOGIES, LLC | | B1990-9 | 03481 | BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS | | BM19069-3-768 | 17446 | HUCK INTERNATIONAL, INC | | GS551C3-768 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | HP6551C3-768 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | PBF1285-3-768 | 27624 | SPS TECHNOLOGIES LLC | | PIL551C3-768 | 47253 | PILGRIM SCREW CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL | | 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 | 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.193 INCHES MINIMUM AND 0.195 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 | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.285 INCHES MINIMUM AND 0.351 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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