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National Stock Number:
5305-01-529-3696
Federal Supply Class:
5305
National Item Identification Number:
015293696
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:
| 120-264E4-20 | 97499 | BELL TEXTRON INC | | 7AS5312E4-20 | 1EM77 | B & B SPECIALTIES INC | | NAS5312E4-20 | 06425 | THE PRESRAY CORPORATION | | NAS5312E4-20 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | NAS5312E4-20 | 0K6Z0 | SATURN FASTENERS INC | | NAS5312E4-20 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | NAS5312E4-20 | 1GP79 | PILGRIM SCREW CORP | | NAS5312E4-20 | 27624 | SPS TECHNOLOGIES LLC | | NAS5312E4-20 | 47253 | PILGRIM SCREW CORPORATION | | NAS5312E4-20 | 56878 | SPS TECHNOLOGIES, LLC | | NAS5312E4-20 | 62206 | B & B SPECIALTIES INC | | NAS5312E4-20 | 62384 | LFC INDUSTRIES INC. | | NAS5312E4-20 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS5312E4-20 | 80539 | SPS TECHNOLOGIES, LLC | | NAS5312E4-20 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | CRITICALITY CODE JUSTIFICATION | FEAT | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MINIMUM TENSILE STRENGTH | 5820 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,100 DEGREE FLUSH HEAD, FULL THREAD, 6 LOBE RECESS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5835 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700METHOD 1,TYPE2 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 METHOD 1,TYPE 8,CLS 1 ASSN STD SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL | | SPLINE MAJOR DIAMETER | 0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.144 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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