The Washer,key, cataloged under National Stock Number 5310-00-931-1011, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-931-1011 |
| Primary Part Number | 1526-16 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Internal Straight Key Width | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.992 INCHES MINIMUM AND 1.995 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.625 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 4.115 INCHES MINIMUM AND 4.120 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 |
|---|---|
| 1526-16 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1526-16 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-00-931-1011 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-931-1011 has 1 manufacturer part number on file: 1526-16 (Goodrich Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-378-2918. Verify interchangeability with system specifications before substitution.
Key specifications for 1526-16: Internal Straight Key Width: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.992 INCHES MINIMUM AND 1.995 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AMS 6350 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.