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National Stock Number:
5305-01-221-4198
Federal Supply Class:
5305
National Item Identification Number:
012214198
Description:
SCREW ASSEMBLY,PANEL
Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.
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Manufacturer Information:
| 13237951 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 5827521-0010 | 53711 | NAVAL SEA SYSTEMS COMMAND | | CA-13170-4-3-12HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.360 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | FASTENER LENGTH | 0.730 INCHES MINIMUM AND | | 0.770 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 STAND-OFF | | 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 | QQL-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF | | SURFACE TREATMENT | CHROMATE STAND-OFF | | PASSIVATE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF | | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.350 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | HEAD HEIGHT | 0.330 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL | | MATERIAL ACCOMMODATED THICKNESS | 0.090 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM |
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