The Washer,flat, cataloged under National Stock Number 5310-01-234-2597, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-234-2597 |
| Primary Part Number | 704-5483956 ITEM 27 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281,CL A,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | DEE |
| Width | 0.810 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.406 INCHES NOMINAL IN |
| Thickness | 0.063 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 |
|---|---|
| 704-5483956 ITEM 27 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 88611503B1 ITEM 27 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-234-2597 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-234-2597 has 1 manufacturer part number on file: 704-5483956 ITEM 27 (Naval Sea Systems Command).
Key specifications for 704-5483956 ITEM 27: Overall Diameter: 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-281,CL A,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: MATERIAL COLD ROLLED. 9 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.