The Washer,flat, cataloged under National Stock Number 5310-01-362-2114, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-362-2114 |
| Primary Part Number | 845-6556198-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 3.355 INCHES MINIMUM AND 3.370 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM-B-466,GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 625 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.087 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN |
| Thickness | 0.313 INCHES MINIMUM AND 0.314 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 |
|---|---|
| 845-6556198-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 845-6556172 ITEM 26 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5310-01-362-2114 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-362-2114 has 1 manufacturer part number on file: 845-6556198-1 (Naval Sea Systems Command).
Key specifications for 845-6556198-1: Overall Diameter: 3.355 INCHES MINIMUM AND 3.370 INCHES MAXIMUM IN; Material Document and Classification: ASTM-B-466,GR1 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.