The Washer,spring Tension, cataloged under National Stock Number 5310-01-473-5958, 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 5 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-473-5958 |
| Primary Part Number | ESB012-22 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hansome Energy Systems Inc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 2.734 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN |
| Material Thickness | 0.097 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 2.168 INCHES MINIMUM AND 2.232 INCHES MAXIMUM 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 |
|---|---|
| ESB012-22 PRIMARY | Hansome Energy Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| D286-215 ITEM28 | C/1 Advisory reference — outside the item-of-supply concept Hansome Energy Systems Inc |
| E-213-217 | D/9 Drawing number reference only Hansome Energy Systems Inc |
| ESB 012-22 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-473-5958 is a Washer,spring Tension, manufactured by Hansome Energy Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-473-5958 has 1 manufacturer part number on file: ESB012-22 (Hansome Energy Systems Inc).
Key specifications for ESB012-22: Overall Height: 0.197 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Outside Diameter: 2.734 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN; Material Thickness: 0.097 INCHES NOMINAL IN. 5 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.