The Washer,key, cataloged under National Stock Number 5310-01-145-9042, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-145-9042 |
| Primary Part Number | 74A450673-2005 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Wire Hole Diameter | 0.190 INCHES NOMINAL IN |
| Internal Prebent Key Width | 0.220 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-8844 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.180 INCHES NOMINAL IN |
| Material Thickness | 0.187 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 OVERALL |
| Hole Diameter | 2.755 INCHES MINIMUM AND 2.765 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 | F |
| Part Number | Manufacturer |
|---|---|
| 74A450673-2005 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A450673-2005 | Circor Aerospace, Inc. Div Circor (USA) |
| 74A450673-2005 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10109804 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450673-2005 | C/1 Advisory reference — outside the item-of-supply concept Miraloma Machinery Mack Manes Machine Div |
| 74A450673-2005 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450673-2005 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A450673-2005 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
| 74A450673-2005 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450673-2005 | C/1 Advisory reference — outside the item-of-supply concept Spyco Industries Inc |
| 74A450673-2005 | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
| 74A450673-2005 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450673-2005 | 5/9 Secondary reference Israel Aircraft Industries Ltd Marketing Directorate |
| 74A450673-2005 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5310-01-145-9042 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-145-9042 has 3 manufacturer part numbers on file: 74A450673-2005 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A450673-2005 (Circor Aerospace, Inc. Div Circor), 74A450673-2005 (Goodrich Corporation).
Key specifications for 74A450673-2005: Wire Hole Diameter: 0.190 INCHES NOMINAL IN; Internal Prebent Key Width: 0.220 INCHES NOMINAL IN; Material Document and Classification: MIL-S-8844 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.180 INCHES NOMINAL 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.