The Washer,shouldered, cataloged under National Stock Number 5310-01-421-2006, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-421-2006 |
| Primary Part Number | 15626-.125-.150-SS-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 | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | STM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.390 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 |
|---|---|
| 15626-.125-.150-SS-1 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 15625-0.125-0.150-SS-1 | 5/9 Secondary reference Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| A3209992 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-421-2006 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 5310-01-421-2006 has 1 manufacturer part number on file: 15626-.125-.150-SS-1 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-658-0586. Verify interchangeability with system specifications before substitution.
Key specifications for 15626-.125-.150-SS-1: Overall Height: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Shoulder Height: 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: STM A581 ASSN STD 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.