The Washer,spring Tension, cataloged under National Stock Number 5310-01-157-2003, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hansome Energy Systems Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-157-2003 |
| Primary Part Number | A203-12 PIECE 25 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| A203-12 PIECE 25 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| W2430-025 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| W2430-025 | 5/9 Secondary reference Barnes Group Canada Incassociated Spring Opns |
NSN 5310-01-157-2003 is a Washer,spring Tension, manufactured by Hansome Energy Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-157-2003 has 1 manufacturer part number on file: A203-12 PIECE 25 (Hansome Energy Systems Inc).
Key specifications for A203-12 PIECE 25: Material: STEEL OVERALL. 1 specification is 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.