The Washer,shouldered, cataloged under National Stock Number 5310-01-356-8256, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-356-8256 |
| Primary Part Number | 15538-.060-.120-N-1 |
| 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 | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | L-P-410 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.265 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 |
|---|---|
| 15538-.060-.120-N-1 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 107716-20 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5310-01-356-8256 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 5310-01-356-8256 has 1 manufacturer part number on file: 15538-.060-.120-N-1 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 15538-.060-.120-N-1: Overall Height: 0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN; Shoulder Height: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: L-P-410 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.