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National Stock Number:
5305-01-331-0029
Federal Supply Class:
5305
National Item Identification Number:
013310029
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 1A20955A01 | 06164 | ALL STAINLESS, INC. | | 1A20955H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 1A20955H01 | 51506 | ACCURATE SCREW MACHINE CORP | | 1A20955H01 | 70318 | ALLMETAL SCREW PRODUCTS CORP | | 1A20955H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.872 INCHES NOMINAL | | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SCREW MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | THREAD CLASS | 2A | | THREAD LENGTH | 0.380 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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