The Washer,flat, cataloged under National Stock Number 5310-01-508-5546, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Deval Life Cycle Support Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-508-5546 |
| Primary Part Number | 1541AS336-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Deval Life Cycle Support Llc |
| Status | ACTIVE |
| Overall Diameter | 1.188 INCHES NOMINAL IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1040 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.594 INCHES NOMINAL IN |
| Thickness | 0.187 INCHES MINIMUM AND 0.197 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 |
|---|---|
| 1541AS336-1 PRIMARY | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| SUW-916 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-508-5546 is a Washer,flat, manufactured by Deval Life Cycle Support Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-508-5546 has 1 manufacturer part number on file: 1541AS336-1 (Deval Life Cycle Support Llc).
Key specifications for 1541AS336-1: Overall Diameter: 1.188 INCHES NOMINAL IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; 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.