The Nut,self-Locking,square, cataloged under National Stock Number 5310-01-472-8907, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Topy Intl Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-472-8907 |
| Primary Part Number | S10022 |
| Item Name | Nut,self-Locking,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Topy Intl Inc |
| Status | ACTIVE |
| Width Across Flats | 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Pitch Diameters | +0.3344 TO 0.3401 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.310 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| Nut Style | SQUARE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 708486 ITEM 79 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| S10022 PRIMARY | Topy Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| PL708486 | D/9 Drawing number reference only L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
NSN 5310-01-472-8907 is a Nut,self-Locking,square, manufactured by Topy Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-472-8907 has 2 manufacturer part numbers on file: 708486 ITEM 79 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), S10022 (Topy Intl Inc).
Key specifications for S10022: Width Across Flats: 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Pitch Diameters: +0.3344 TO 0.3401 INCHES IN; Thread Direction: RIGHT-HAND. 12 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.