| NAVAL SEA SYSTEMS COMMAND | 53711 |
| NAVAL SEA SYSTEMS COMMAND | 53711 |
| LOCKHEED MARTIN CORPORATION | 3640 |
| ARCONIC GLOBAL FASTENERS & RINGS, INC. | 29372 |
| ARCONIC GLOBAL FASTENERS & RINGS, INC. | 29372 |
| FASTENER TECHNOLOGY CORP. | 58794 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.310 INCHES NOMINAL |
| FASTENER LENGTH | 1.315 INCHES NOMINAL |
| HEAD STYLE | C49 FLAT CHAMFER |
| HEAD DIAMETER | 0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D5 HEXAGON |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 301 STAND-OFF OR STEEL COMP 302 OR STEEL COMP 302B 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 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303CU |
| MATERIAL | STEEL COMP 301 FASTENER OR STEEL COMP 302 OR STEEL COMP 302B 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 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303CU |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| PROPRIETARY CHARACTERISTICS | PACS |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD SERIES DESIGNATOR | UNJF |
| 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. |
