The Washer,key, cataloged under National Stock Number 5310-00-121-8014, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-121-8014 |
| Primary Part Number | MS9582-10 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Style Designator | 270 DEGREE LOCKING KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| External Prebent Key Angle | 15.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Angle Between External Keys | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| MS9582-10 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS9582-10 | 3/9 Design control — primary reference U.S. Government activity |
| 5310PL2125908 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS9582-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-121-8014 is a Washer,key, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-121-8014 has 1 manufacturer part number on file: MS9582-10 (Sae International Dba Sae International).
Key specifications for MS9582-10: Distance From Centerline to Inside of Prebent Key: 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN; External Prebent Key Length: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Style Designator: 270 DEGREE LOCKING KEY; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.