The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-466-9840, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-466-9840 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.614 INCHES MINIMUM AND 1.634 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | R405 FSCM 72962 MFR REF SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 1.360 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 7 |
| Material | PLASTIC NUT |
| Material | COPPER ALLOY LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| E11663-207 | 3/9 Design control — primary reference Harvard Industries Inc |
| E11663-207 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
NSN 5310-00-466-9840 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-466-9840: Width Across Flats: 1.614 INCHES MINIMUM AND 1.634 INCHES MAXIMUM IN; Thread Series: UNJC; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Criticality Code Justification: ZZZY. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.