The Washer,keyway, cataloged under National Stock Number 5310-00-948-3229, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-948-3229 |
| Primary Part Number | 6820764 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Internal Keyway Width | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5122 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Internal Keyway Quantity | 1 |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.955 INCHES MINIMUM AND 0.970 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 |
|---|---|
| 6820764 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6820764 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5310-00-948-3229 is a Washer,keyway, manufactured by Rolls-Royce Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-948-3229 has 1 manufacturer part number on file: 6820764 (Rolls-Royce Corporation).
Key specifications for 6820764: Distance From Centerline to Bottom of Internal Keyway: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Internal Keyway Width: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Material Document and Classification: AMS5122 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 8 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.