The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-014-8372, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-014-8372 |
| Primary Part Number | 3012155 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Washer Outside Diameter | 0.536 INCHES MINIMUM IN |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Washer Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1137 OVERALL |
| 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 |
|---|---|
| 3012155 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 5011113 | Embraer Aviation International (FRA) |
| 5011113 | Embraer S.a. (BRA) |
| D52Z8691-5 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5011113 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
| D52Z8691-5 | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-00-014-8372 is a Nut,self-Locking,extended Washer, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-014-8372 has 4 manufacturer part numbers on file: 3012155 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 5011113 (Embraer Aviation International), 5011113 (Embraer S.a.), D52Z8691-5 (Esna, Llc).
Key specifications for 3012155: Overall Height: 0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; Washer Outside Diameter: 0.536 INCHES MINIMUM IN; Width Across Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 13 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.