The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-036-3814, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-036-3814 |
| Primary Part Number | J979P03 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Washer Outside Diameter | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 5709 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Criticality Code Justification | FEAT |
| Washer Thickness | 0.04 INCHES MINIMUM AND 0.06 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| J979P03 | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| H50184-3 | Howmet Global Fastening Systems Inc (USA) |
| J979P03 | Ge Avio Srl (ITA) |
| H1207W-1032 | National Aerospace Fasteners Corporation |
| J979P03 PRIMARY | General Electric Company (USA) |
| BA15170-03 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| CR5553-3 | Howmet Fixations Simmonds SAS (FRA) |
| J979P03 | Ge Engine Services Distribution, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| J979P03D | 5/9 Secondary reference General Electric Company |
| H501184-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 5310PL0784339 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| VN-1498-W-02 | 3/2 Design control — primary reference U.S. Government activity |
| J979P03 | C/1 Advisory reference — outside the item-of-supply concept Cfm International Inc Dba Cfm International |
| J979P03A | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| BH00249-3 | 5/9 Secondary reference Bristol Industries, Llc |
NSN 5310-01-036-3814 is a Nut,self-Locking,extended Washer, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-036-3814 has 8 manufacturer part numbers on file: J979P03 (Fincantieri S.p.a. Div Direzione Navi Militari), H50184-3 (Howmet Global Fastening Systems Inc), J979P03 (Ge Avio Srl), H1207W-1032 (National Aerospace Fasteners Corporation), J979P03 (General Electric Company) and 3 more.
Key specifications for J979P03: Overall Height: 0.290 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN; Washer Outside Diameter: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Width Across Flats: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 5709 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 14 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.