The Washer,flat, cataloged under National Stock Number 5310-01-512-9593, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-512-9593 |
| Primary Part Number | 6395094-28 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.468 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-1368, INCONEL 4001 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.343 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN |
| Thickness | 0.334 INCHES MINIMUM AND 0.354 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 |
|---|---|
| 6395094-28 PRIMARY | Naval Sea Systems Command (USA) |
| 6394366 FIND 20 | Naval Sea Systems Command (USA) |
NSN 5310-01-512-9593 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-512-9593 has 2 manufacturer part numbers on file: 6395094-28 (Naval Sea Systems Command), 6394366 FIND 20 (Naval Sea Systems Command).
Key specifications for 6395094-28: Overall Diameter: 0.468 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN; Material Document and Classification: MIL-T-1368, INCONEL 4001 MIL SPEC 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.