The Washer,spring Tension, cataloged under National Stock Number 5310-01-583-7348, 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 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-583-7348 |
| Primary Part Number | ESB012-40 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Material Document and Classification | ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 |
|---|---|
| ESB012-40 PRIMARY | Hansome Energy Systems Inc (USA) |
| A-1000-253ITEM38 | Hansome Energy Systems Inc (USA) |
NSN 5310-01-583-7348 is a Washer,spring Tension, manufactured by Hansome Energy Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-583-7348 has 2 manufacturer part numbers on file: ESB012-40 (Hansome Energy Systems Inc), A-1000-253ITEM38 (Hansome Energy Systems Inc).
Key specifications for ESB012-40: Material Document and Classification: ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: THE TYPE OF STEEL IS SPRING STEEL; Part Name Assigned by Controlling Agency: WASHER, SPRING (BEARING); Material: STEEL OVERALL. 2 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.