- FSC
- 5310Nuts and Washers
- NIIN / country
- 012324262 · USA
- Unit / status
- EA · active
- Catalog unit price
- $591
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| COUNTERBORE DIAMETER | BASE INCHES MINIMUM 2.065 |
| COUNTERSINK ANGLE | BASE DEGREES NOMINAL 88.0 |
| INSIDE WIDTH ACROSS FLATS | INCHES MINIMUM 3.497 |
| LOCKING FEATURE | SELF-LOCKING |
| MATERIAL | NUT STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | INCHES 2.00 |
| NUT LENGTH | INCHES MINIMUM 2.343 AND INCHES MAXIMUM 2.469 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCK NUT |
| SPECIAL FEATURES | LOCKNUT MATERIAL: CORROSION RESISTANT STEEL, ALLOYS UNS S30300, S30323, S30400 OR S30400, OR S30430, MATERIAL CONDITION: COLD WORKED I/A/W ASTM A493, ASTM A581, ASTM A582, OR QQ-S-763; CRES, ALLOY UNS S31600, MATERIAL CONDITION COLD WORKED I/A/W ASTM A 479, ASTM A493, OR AMS 5648;NON METALLIC LOCKING COLLAR (INSERT) SHALL BE I/A/W ASTM D4066, GROUP 1, CLASS 1 OR 2 FOR 250 DEGREES FAHRENHEIT OR MIL-R-46198, TYPE 1 FOR 450 DEGREES FAHRENHEIT AS SPECIFIED IN PART NUMBER |
| SPECIAL TEST FEATURES | AXIAL STRENGTH: 312500LBS; MINIMUM WRENCH TORQUE: 2000LBS; WEIGHT REFERENCE: 310LBS; MAXIMUM LOCKING TORQUE: 2200LBS; MINIMUM BREAKAWAY TORQUE: 360LBS |
| SURFACE TREATMENT | OVERALL PASSIVATE |
| TEMP RATING | FAHRENHEIT NOMINAL 450.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 4.50 |
| THREAD SERIES | UNJC |
| WIDTH ACROSS FLATS | INCHES MINIMUM 3.086 AND INCHES MAXIMUM 3.137 |
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.
Recent award / quote activity
Open buys for this NSN
SPE7M226T6637
DIBBS · quotes by Sep 14, 2026 · TOTAL SMALL BUSINESS
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.