The Washer,flat, cataloged under National Stock Number 5310-01-286-6072, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-286-6072 |
| Primary Part Number | 952-7581-000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 400 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.438 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 |
| Part Number | Manufacturer |
|---|---|
| 952-7581-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| V695-D-7683ITEM13 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 952A7581 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 952-7581-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 952-07581-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 5310-01-286-6072 is a Washer,flat, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-286-6072 has 1 manufacturer part number on file: 952-7581-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 952-7581-000: Overall Diameter: 1.375 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Shape Style: ROUND; Material: NICKEL ALLOY 400 OVERALL. 6 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.