| Item Name | Standoff Threaded Spacing |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-168-7321 (001687321) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Mercer Products And Manufacturing |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A RIGHT EXTERNAL |
| AAJE | THREAD PITCH DIAMETERS | 0.2103 TO 0.2123 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| AAJF | THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| AAJF | THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| AASA | THREAD LENGTH | 0.472 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.375 INCHES NOMINAL RIGHT EXTERNAL |
| ABKU | FLANGE THICKNESS | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| ABRY | LENGTH | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| AFGG | FLANGE WIDTH ACROSS FLATS | 0.438 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 RIGHT EXTERNAL |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES RIGHT EXTERNAL |
| FEAT | SPECIAL FEATURES | O.060 IN. DIAHOLE DRILLED THRU TWO WALLS 0.412 IN. FROM STUD END |
| MATT | MATERIAL | STEEL COMP 4130 STANDOFF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE STANDOFF OR SAE ASSN STD 2ND MATERIAL RESPONSE STANDOFF |
| SFTT | SURFACE TREATMENT | CADMIUM STANDOFF |
| STYL | STYLE DESIGNATOR | FLANGED WITH LEFT INTERNAL THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNF RIGHT EXTERNAL |
| Relevant Components for NSN - 5340-00-168-7321, 5340001687321 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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