The Washer,spring Tension, cataloged under National Stock Number 5310-01-202-1645, 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 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fabrication Specialty Inc Dba Fabrication Specialty Inc (CAGE 28548); Bae Systems Land & Armaments L.p. (CAGE 44114); Metric and Multistandard Components Corp (CAGE 15526); Century Fasteners Corp. Dba Century Fasteners Corp (CAGE 06641); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-202-1645 |
| Primary Part Number | 5338739-304 |
| Item Name | Washer,spring Tension |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5338739-305 | Fabrication Specialty Inc Dba Fabrication Specialty Inc (USA) |
| 2108-63824 | Bae Systems Land & Armaments L.p. (USA) |
| 5338739-305 | Metric and Multistandard Components Corp (USA) |
| 5338739-305 | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5338739-304 PRIMARY | Naval Sea Systems Command (USA) |
| 5338739-305 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 5338739-305 | 5/9 Secondary reference Naval Sea Systems Command |
| 5310PL0818945 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-202-1645 is a Washer,spring Tension, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-202-1645 has 6 manufacturer part numbers on file: 5338739-305 (Fabrication Specialty Inc Dba Fabrication Specialty Inc), 2108-63824 (Bae Systems Land & Armaments L.p.), 5338739-305 (Metric and Multistandard Components Corp), 5338739-305 (Century Fasteners Corp. Dba Century Fasteners Corp), 5338739-304 (Naval Sea Systems Command) and 1 more.
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.