The Washer,key, cataloged under National Stock Number 5310-01-108-7520, 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 9 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-108-7520 |
| Primary Part Number | 74A450842-2001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Internal Straight Key Width | 0.156 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.860 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.620 INCHES MINIMUM AND 2.650 INCHES MAXIMUM IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 2.010 INCHES MINIMUM AND 2.020 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 |
|---|---|
| 74A450842-2001 | Heroux-Devtek Inc (CAN) |
| 74A450842-2001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A450842-2001 PRIMARY | Goodrich Corporation (USA) |
| 74A450842-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 74A450842-2001 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10122157 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450842-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450842-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450842-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450842-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A450842-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450842-2001 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-01-108-7520 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-108-7520 has 4 manufacturer part numbers on file: 74A450842-2001 (Heroux-Devtek Inc), 74A450842-2001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division), 74A450842-2001 (Goodrich Corporation), 74A450842-2001 (Safran Landing Systems Canada Inc.).
Key specifications for 74A450842-2001: Internal Straight Key Width: 0.156 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.860 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.