The Washer,shouldered, cataloged under National Stock Number 5310-00-596-9246, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-9246 |
| Primary Part Number | 311457 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Shoulder Height | 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Heat Treatment | ANNEALED |
| Style Designator | SHOULDERED |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.422 INCHES MINIMUM AND 0.453 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 |
|---|---|
| 311457 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| SMB152092 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-596-9246 is a Washer,shouldered, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-9246 has 1 manufacturer part number on file: 311457 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 311457: Shoulder Height: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Heat Treatment: ANNEALED; Style Designator: SHOULDERED; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.