The Washer,spring Tension, cataloged under National Stock Number 5310-00-043-1702, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-043-1702 |
| Primary Part Number | 230148 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| Outside Diameter | 1.156 INCHES NOMINAL IN |
| Material Thickness | 0.024 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.000 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 |
|---|---|
| 230148 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
NSN 5310-00-043-1702 is a Washer,spring Tension, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-043-1702 has 1 manufacturer part number on file: 230148 (Essex Industries, Inc. Dba Essex Industries).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-046-1174. Verify interchangeability with system specifications before substitution.
Key specifications for 230148: Overall Height: 0.125 INCHES NOMINAL IN; Outside Diameter: 1.156 INCHES NOMINAL IN; Material Thickness: 0.024 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.