The Washer,shouldered, cataloged under National Stock Number 5310-01-479-4246, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-479-4246 |
| Primary Part Number | 15256-035-135SS12 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Shoulder Height | 0.135 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Outside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.136 INCHES MINIMUM AND 0.146 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 |
|---|---|
| 15256-035-135SS12 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| 2051F51 ITEM 102 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 2051F51 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Div Marine Systems |
NSN 5310-01-479-4246 is a Washer,shouldered, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-479-4246 has 2 manufacturer part numbers on file: 15256-035-135SS12 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), 2051F51 ITEM 102 (Northrop Grumman Systems Corporation Div Marine Systems).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-479-7863. Verify interchangeability with system specifications before substitution.
Key specifications for 15256-035-135SS12: Overall Height: 0.170 INCHES NOMINAL IN; Shoulder Height: 0.135 INCHES NOMINAL IN; Style Designator: SHOULDERED; Outside Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM 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.