The Washer,flat, cataloged under National Stock Number 5310-00-475-0156, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-475-0156 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 COMP 302 COND 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.875 INCHES NOMINAL IN |
| Thickness | 0.062 INCHES NOMINAL 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 |
|---|---|
| Q8C2036-4 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| Q8C2036-4 | 5/9 Secondary reference Bae Systems Technology Solutions & Services Inc. |
| Q8C2036-4 | 3/9 Design control — primary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| Q8C2036-4 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
NSN 5310-00-475-0156 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-475-0156: Overall Diameter: 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 COMP 302 COND 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.