The Washer,spring Tension, cataloged under National Stock Number 5310-00-730-4425, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hubbard M D Spring Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-730-4425 |
| Primary Part Number | B0W494S10 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hubbard M D Spring Co Inc |
| Status | ACTIVE |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.188 INCHES NOMINAL 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 |
|---|---|
| 377198B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| B0W494S10 PRIMARY | Hubbard M D Spring Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 377198B | 5/9 Secondary reference Hercules Engine Co Inc |
| 13213E3281 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-00-730-4425 is a Washer,spring Tension, manufactured by Hubbard M D Spring Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-730-4425 has 2 manufacturer part numbers on file: 377198B (Brinkley Technology Group Llc Dba Hercules Manufacturing), B0W494S10 (Hubbard M D Spring Co Inc).
Key specifications for B0W494S10: Overall Height: 0.047 INCHES NOMINAL IN; Outside Diameter: 0.375 INCHES NOMINAL IN; Material Thickness: 0.016 INCHES NOMINAL IN; Material: STEEL OVERALL. 4 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.