The Washer,flat, cataloged under National Stock Number 5310-01-533-5638, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Stratus Systems, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-533-5638 |
| Primary Part Number | 05-1-17-161-0FL |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Stratus Systems, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | ANSI B18.22.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | YELLOW OVERALL |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Thickness | 0.055 INCHES MINIMUM AND 0.072 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 |
|---|---|
| 6PU12 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| 98023A029 | Mcmaster-Carr Supply Co (USA) |
| 05-1-17-161-0FL PRIMARY | Stratus Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7013204 | 7/2 Vendor item drawing reference Marine Corps Systems Command Program Manager Assault Amphibious Vehicle |
NSN 5310-01-533-5638 is a Washer,flat, manufactured by Stratus Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-533-5638 has 3 manufacturer part numbers on file: 6PU12 (W.w. Grainger, Inc. Div Government Sales Division), 98023A029 (Mcmaster-Carr Supply Co), 05-1-17-161-0FL (Stratus Systems, Inc.).
Key specifications for 05-1-17-161-0FL: Overall Diameter: 0.625 INCHES NOMINAL IN; Material Document and Classification: ANSI B18.22.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: YELLOW 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.