The Washer,spring Tension, cataloged under National Stock Number 5310-01-358-5007, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-358-5007 |
| Primary Part Number | 1810805-5 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.612 INCHES NOMINAL IN |
| Material Thickness | 0.013 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.327 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 |
|---|---|
| 1810805-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| SU-8 | 3/9 Design control — primary reference W. M. Berg, Inc. |
NSN 5310-01-358-5007 is a Washer,spring Tension, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-358-5007 has 1 manufacturer part number on file: 1810805-5 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-389-0954. Verify interchangeability with system specifications before substitution.
Key specifications for 1810805-5: Overall Height: 0.077 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Outside Diameter: 0.612 INCHES NOMINAL IN; Material Thickness: 0.013 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.