The Washer,spring Tension, cataloged under National Stock Number 5310-00-121-3467, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-121-3467 |
| Primary Part Number | 6861958 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Outside Diameter | 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Material Thickness | 0.0078 INCHES MINIMUM AND 0.0090 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR CADMIUM OR NICKEL OVERALL |
| Hole Diameter | 0.152 INCHES MINIMUM AND 0.157 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 |
|---|---|
| 6861958 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| SP135B | Bsi Standards Limited (GBR) |
| 1107943 | Rolls-Royce Airlines (GBR) |
| 6861958 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| 5310PL1704779 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5310PL0713707 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| DP1003 | 3/9 Design control — primary reference Haddon Thomas and Stokes Ltd |
| LS501-16 | 5/9 Secondary reference Davis & Timmins Ltd |
NSN 5310-00-121-3467 is a Washer,spring Tension, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-121-3467 has 4 manufacturer part numbers on file: 6861958 (Allison Transmission Inc Dba Allison Transmission, Inc), SP135B (Bsi Standards Limited), 1107943 (Rolls-Royce Airlines), 6861958 (Rolls-Royce Airlines).
Key specifications for 6861958: Overall Height: 0.025 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Outside Diameter: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN; Material Thickness: 0.0078 INCHES MINIMUM AND 0.0090 INCHES MAXIMUM 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.