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National Stock Number:
5305-01-021-2528
Federal Supply Class:
5305
National Item Identification Number:
010212528
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:
| 1A20806H48 | 32971 | ASI DESIGN & MANUFACTURING, INC. | | 1A20806H48 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 1A20806H48 | 51506 | ACCURATE SCREW MACHINE CORP | | 1A20806H48 | 70318 | ALLMETAL SCREW PRODUCTS CORP | | 1A20806H48 | 86928 | SEASTROM MANUFACTURING CO INC | | 1A20806H48 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 331C201B1032C08 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 645A562H47 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 645A562H47 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | SPE314D8 | K0378 | ROLLS-ROYCE PLC | | 1A20806H48 | 54698 | SOSCO CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC ALL MATERIAL RESPONSES | | SCREW MATERIAL | COPPER ALLOY 260 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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