The Washer,shouldered, cataloged under National Stock Number 5310-01-076-9430, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-076-9430 |
| Primary Part Number | 346634-000 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Shoulder Height | 0.031 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.394 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.266 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Hole Diameter | 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 346634-000 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 346634-000 | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| Reference | Meaning |
|---|---|
| 346634-000 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 3148555 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 5310PL0907717 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-076-9430 is a Washer,shouldered, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-076-9430 has 2 manufacturer part numbers on file: 346634-000 (Lockheed Martin Corporation Div Rms - Mitchel Field), 346634-000 (R.g.h. Associates, Inc. Dba Richards Screw Machine).
Key specifications for 346634-000: Shoulder Height: 0.031 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.394 INCHES NOMINAL IN. 8 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.