The Washer,key, cataloged under National Stock Number 5310-00-941-0153, 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 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-941-0153 |
| Primary Part Number | 449180 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN |
| Internal Prebent Key Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 2.100 INCHES MINIMUM AND 2.120 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 |
|---|---|
| 449180 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 449180 | Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc (USA) |
| 449180 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 449180 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 449180 | Trego Inc (USA) |
| Reference | Meaning |
|---|---|
| 449180 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 449180 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-941-0153 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-941-0153 has 5 manufacturer part numbers on file: 449180 (Alinabal Holdings Corporation Div Engineered Products Group), 449180 (Satellite Aerospace, Incorporated Dba Satellite Aerospace Inc), 449180 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 449180 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 449180 (Trego Inc).
Key specifications for 449180: Internal Prebent Key Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Material Document and Classification: AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.520 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN; Internal Prebent Key Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 7 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.