The Washer,shouldered, cataloged under National Stock Number 5310-01-183-2812, 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 - Manassas. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-183-2812 |
| Primary Part Number | 2867942-1 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Style Designator | SHOULDERED |
| Material Document and Classification | L-P-509,GRADE N-1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.870 INCHES NOMINAL IN |
| Material Thickness | 0.070 INCHES NOMINAL IN |
| Shoulder Diameter | 0.495 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Hole Diameter | 0.413 INCHES NOMINAL 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 |
|---|---|
| 2867942-1 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
NSN 5310-01-183-2812 is a Washer,shouldered, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-183-2812 has 1 manufacturer part number on file: 2867942-1 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for 2867942-1: Style Designator: SHOULDERED; Material Document and Classification: L-P-509,GRADE N-1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.870 INCHES NOMINAL IN; Material Thickness: 0.070 INCHES NOMINAL IN. 7 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.