The Washer,shouldered, cataloged under National Stock Number 5310-01-128-5164, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-128-5164 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PN14.10,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.020 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL |
| Hole Diameter | 0.385 INCHES MINIMUM AND 0.395 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 |
| Reference | Meaning |
|---|---|
| 727115 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-128-5164 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-128-5164: Surface Treatment Document and Classification: PN14.10,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.020 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: AMS 5640 ASSN STD ALL MATERIAL RESPONSES 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.