| Item Name | Standoff Threaded Spacing |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 01-478-8839 (014788839) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1831C5D21 | national aerospace standards com | standoff threaded spacing | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 28 LEFT INTERNAL (INCLUDES THRU THREAD) |
| AAJF | THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| AASA | THREAD LENGTH | 0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) |
| ABRY | LENGTH | 1.313 INCHES MAXIMUM |
| ADWD | CROSS-SECTIONAL LENGTH | 1.3125 INCHES MINIMUM AND 1.3130 INCHES MAXIMUM |
| ADWH | CROSS-SECTIONAL WIDTH | 0.313 INCHES MAXIMUM |
| ANLR | CROSS-SECTIONAL SHAPE | RECTANGULAR |
| CMLP | THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AST-303,CONDITIONA ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| THSD | THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THSD | THREAD SERIES DESIGNATOR | UNF RIGHT EXTERNAL |
| Relevant Components for NSN - 5340-01-478-8839, 5340014788839 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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