The Washer,key, cataloged under National Stock Number 5310-00-941-0154, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-941-0154 |
| Primary Part Number | 449233 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 1.030 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN |
| Internal Prebent Key Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6350 ASSN STD 1ST MATERIAL RESPONSE OR AMS6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.678 INCHES MINIMUM AND 2.714 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Internal Prebent Key Length | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 OVERALL |
| Hole Diameter | 2.240 INCHES MINIMUM AND 2.260 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 |
|---|---|
| 449233 | Rogerson Kratos (USA) |
| 449233 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 449233 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 449233 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 449233 | 5/2 Secondary reference U.S. Government activity |
| 449233 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 449233 | 5/9 Secondary reference U.S. Government activity |
| 449233 | C/1 Advisory reference — outside the item-of-supply concept Nielsen Hardware Corporation |
| 449233 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-941-0154 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-941-0154 has 4 manufacturer part numbers on file: 449233 (Rogerson Kratos), 449233 (Alinabal Holdings Corporation Div Engineered Products Group), 449233 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 449233 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
Key specifications for 449233: Distance From Centerline to Inside of Prebent Key: 1.030 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN; Internal Prebent Key Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Material Document and Classification: AMS6350 ASSN STD 1ST MATERIAL RESPONSE OR AMS6355 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 2.678 INCHES MINIMUM AND 2.714 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.