The Washer,flat, cataloged under National Stock Number 5310-01-202-1636, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Century Fasteners Corp. Dba Century Fasteners Corp (CAGE 06641); Metric and Multistandard Components Corp (CAGE 15526); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-202-1636 |
| Primary Part Number | 5338739-103 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5338739-103 | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5338739-103 | Metric and Multistandard Components Corp (USA) |
| 5338739-103 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2108-06502 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 5310PL0818698 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5338739-103 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-202-1636 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-202-1636 has 3 manufacturer part numbers on file: 5338739-103 (Century Fasteners Corp. Dba Century Fasteners Corp), 5338739-103 (Metric and Multistandard Components Corp), 5338739-103 (Naval Sea Systems Command).
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.