The Washer,flat, cataloged under National Stock Number 5310-00-183-8037, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-183-8037 |
| Primary Part Number | 61H696-2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Overall Diameter | 1.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5521 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 310 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.531 INCHES NOMINAL IN |
| Thickness | 0.031 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 |
|---|---|
| 61H696-2 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S8154-82C032 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 61H696-2 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 5310-00-183-8037 is a Washer,flat, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-183-8037 has 1 manufacturer part number on file: 61H696-2 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-120-9435. Verify interchangeability with system specifications before substitution.
Key specifications for 61H696-2: Overall Diameter: 1.125 INCHES NOMINAL IN; Material Document and Classification: AMS 5521 ASSN STD 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.