The Washer,spring Tension, cataloged under National Stock Number 5310-01-557-4658, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Div Pacar. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fastenal Company Div Pacar (CAGE 1UGW9); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-4658 |
| Primary Part Number | 0124030 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Div Pacar |
| 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 |
|---|---|
| 0124030 PRIMARY | Fastenal Company Div Pacar (USA) |
| 201-7095394ITEM33 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7095394 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-557-4658 is a Washer,spring Tension, manufactured by Fastenal Company Div Pacar, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-4658 has 2 manufacturer part numbers on file: 0124030 (Fastenal Company Div Pacar), 201-7095394ITEM33 (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.