The Washer,key, cataloged under National Stock Number 5310-01-020-9659, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-020-9659 |
| Primary Part Number | 93995 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| External Prebent Key Length | 0.180 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.860 INCHES NOMINAL IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Small External Prebent Key Width | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.585 INCHES MINIMUM AND 1.595 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| External Prebent Key Angle | 45.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Material | STEEL COMP 631 OVERALL |
| Angle Between External Keys | 90.0 DEGREES NOMINAL |
| Hole Diameter | 1.205 INCHES MINIMUM AND 1.215 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 |
|---|---|
| 93995 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-01-020-9659 is a Washer,key, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-020-9659 has 1 manufacturer part number on file: 93995 (Triumph Engine Control Systems Llc).
Key specifications for 93995: External Prebent Key Length: 0.180 INCHES NOMINAL IN; Overall Distance Including Keys: 1.860 INCHES NOMINAL IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Small External Prebent Key Width: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN. 14 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.