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National Stock Number:
5305-01-333-6386
Federal Supply Class:
5305
National Item Identification Number:
013336386
Description:
SCREW,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
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Manufacturer Information:
| 861012-023 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 861012-023 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | | ABS20673-1D3 | 02310 | PATTONAIR USA INC | | 861012-23 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 861012-23 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 0.449 INCHES MINIMUM AND | | 0.479 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURE | | STEEL COMP 301 OR | | STEEL COMP 302 OR | | STEEL COMP 302B OR | | STEEL COMP 303 OR | | STEEL COMP 303SE OR | | STEEL COMP 304 OR | | STEEL COMP 304L OR | | STEEL COMP 305 OR | | STEEL COMP 308 OR | | STEEL COMP 309 OR | | STEEL COMP 309S OR | | STEEL COMP 310 OR | | STEEL COMP 310S OR | | STEEL COMP 314 OR | | STEEL COMP 316 OR | | STEEL COMP 316L OR | | STEEL COMP 317 OR | | STEEL COMP 321 OR | | STEEL COMP 347 OR | | STEEL COMP 348 OR | | STEEL COMP 384 OR | | STEEL COMP 385 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-385 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE | | SURFACE TREATMENT | OXIDE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.360 INCHES MINIMUM AND | | 0.370 INCHES MAXIMUM | | HEAD HEIGHT | 0.095 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | STRIP THREADS | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND | | 0.118 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.172 INCHES MINIMUM AND | | 0.202 INCHES MAXIMUM | | FEATURES PROVIDED | O RING AND | | SHIM | | SPECIAL FEATURES | SHIM MADE OF POLYTETRAFLUOROETHYLENE |
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