The Washer,key, cataloged under National Stock Number 5310-00-334-9617, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 7 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 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 | 5310-00-334-9617 |
| Primary Part Number | 145206 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Overall Distance Including Keys | 2.750 INCHES NOMINAL IN |
| Material Document and Classification | AMS 4625 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.156 INCHES NOMINAL IN |
| Material Thickness | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| External Key Quantity | 12 |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 1.782 INCHES MINIMUM AND 1.784 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 |
|---|---|
| 145206 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5310-00-334-9617 is a Washer,key, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-334-9617 has 1 manufacturer part number on file: 145206 (Curtiss-Wright Controls, Inc. Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 1630-00-474-0452. Verify interchangeability with system specifications before substitution.
Key specifications for 145206: Overall Distance Including Keys: 2.750 INCHES NOMINAL IN; Material Document and Classification: AMS 4625 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.156 INCHES NOMINAL IN; Material Thickness: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM 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.