The Washer,key, cataloged under National Stock Number 5310-00-689-4128, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-689-4128 |
| Primary Part Number | 692693 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Overall Distance Including Keys | 0.925 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.445 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.170 INCHES NOMINAL IN |
| External Key Quantity | 2 |
| Material | STEEL COMP 321 OVERALL |
| 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 |
|---|---|
| 692693 | Rogerson Kratos (USA) |
| 692693 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 692693 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 692693 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 692693 | C/1 Advisory reference — outside the item-of-supply concept Nielsen Hardware Corporation |
| 692693 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-689-4128 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-689-4128 has 3 manufacturer part numbers on file: 692693 (Rogerson Kratos), 692693 (Alinabal Holdings Corporation Div Engineered Products Group), 692693 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-254-1234. Verify interchangeability with system specifications before substitution.
Key specifications for 692693: Overall Distance Including Keys: 0.925 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.445 INCHES NOMINAL 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.