- FSC
- 5310Nuts and Washers
- NIIN / country
- 006165997 · International
- Unit / status
- EA · active
- Catalog unit price
- $182
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| BEARING SURFACE FINISH | MICROINCHES 125.0 |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CRITICALITY CODE JUSTIFICATION | ZZZK |
| END ITEM IDENTIFICATION | 1630-00-970-6671 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | OVERALL STEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-6049 OR NATIONAL STD/SPEC 1ST MATERIAL RESPONSE A-S 6322 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR NATIONAL STD/SPEC 3RD MATERIAL RESPONSE A-S 6378 OR NATIONAL STD/SPEC 4TH MATERIAL RESPONSE A-S 6350 OR A-S 6370 |
| NOMINAL THREAD SIZE | INCHES 0.500 |
| NUT HEIGHT | INCHES NOMINAL 0.328 |
| SPECIAL FEATURES | ROCKWELL C34-C41 HARDNESS RATING;LUBRICATED WITH KAYLUBE MOLYBDENUM DISULFIDE;THIS ITEM IS A CRITICAL SAFETY ITEM (CSI) AS NOTED BY DEMIL CODE |
| SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 26512-GN10U |
| SURFACE TREATMENT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE A-S-QQ--416,TYE II,CLASS 2 |
| TEMP RATING | FAHRENHEIT MAXIMUM 450.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | INCHES MINIMUM 0.741 AND INCHES MAXIMUM 0.752 |
Manufacturers that have won this work
DIBBS award history plus USASpending rows whose CAGE matches SAM registration. CAGE codes open the DLA vendor lookup. Names without a CAGE match are shown as unverified.
No award rows keyed to this NSN yet.
Recent award / quote activity
No DIBBS history or USASpending cache rows for this NSN.
Open buys for this NSN
SPE4A626Q1403
DIBBS · quotes by Sep 15, 2026 · UNRESTRICTED
Quote history
Recorded quotes from nsn_quote_history when present (vendor references / quote tracker). Interchangeable-parts tables are not in this career schema — skipped.
No quote history rows for this NSN.
Listed manufacturers
MCRL rows for this NSN — companies that make or supply the part.