The Washer,key, cataloged under National Stock Number 5310-00-986-3203, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-986-3203 |
| Primary Part Number | 512530 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.100 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.750 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.620 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| External Key Quantity | 7 |
| Internal Prebent Key Length | 0.050 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.120 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.502 INCHES MINIMUM AND 0.510 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 |
|---|---|
| 512530 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 512530 | 5/9 Secondary reference Magellan Aerospace, Mississauga |
| 512530 | 5/9 Secondary reference Dynamic Metal Products Co Inc |
| 512530 | 5/9 Secondary reference Paradigm Manchester Inc. Dba Pursuit Aerospace |
| 512530 | 5/9 Secondary reference Parmac Inc |
| 512530 | 5/9 Secondary reference Reed Tool Co Diamond Metal Alloys Div |
NSN 5310-00-986-3203 is a Washer,key, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-986-3203 has 1 manufacturer part number on file: 512530 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-213-8070. Verify interchangeability with system specifications before substitution.
Key specifications for 512530: Internal Prebent Key Width: 0.100 INCHES NOMINAL IN; Overall Distance Including Keys: 0.750 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.