The Washer,key, cataloged under National Stock Number 5310-00-138-9523, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-138-9523 |
| Primary Part Number | 6823432 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.192 INCHES NOMINAL0.192 INCHES NOMINAL IN |
| Overall Distance Including Keys | 2.234 INCHES NOMINAL2.234 INCHES NOMINAL IN |
| Style Designator | EXTERNAL AND INTERNAL PRE-BENT KEYSEXTERNAL AND INTERNAL PRE-BENT KEYS |
| Outside Diameter | 1.951 INCHES NOMINAL1.951 INCHES NOMINAL IN |
| Material Thickness | 0.038 INCHES NOMINAL0.038 INCHES NOMINAL IN |
| External Key Quantity | 77 |
| Internal Prebent Key Length | 0.156 INCHES NOMINAL0.156 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALLOXIDE OVERALL |
| External Prebent Key Width | 0.417 INCHES NOMINAL0.417 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 22 |
| Hole Diameter | 1.598 INCHES NOMINAL1.598 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 |
NSN 5310-00-138-9523 is a Washer,key, manufactured by Rolls-Royce Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-138-9523 has 3 manufacturer part numbers on file: 6823432 (C. F. Roark Welding & Engineering Company, Incorporated), 6823432 (Rolls-Royce Corporation), 6823432 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6823432: Internal Prebent Key Width: 0.192 INCHES NOMINAL0.192 INCHES NOMINAL IN; Overall Distance Including Keys: 2.234 INCHES NOMINAL2.234 INCHES NOMINAL IN; Style Designator: EXTERNAL AND INTERNAL PRE-BENT KEYSEXTERNAL AND INTERNAL PRE-BENT KEYS; Outside Diameter: 1.951 INCHES NOMINAL1.951 INCHES NOMINAL IN. 12 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.