The Washer,key, cataloged under National Stock Number 5310-01-303-8160, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 17 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 | 5310-01-303-8160 |
| Primary Part Number | 3237830-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35,TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Split Key Length | 0.297 INCHES NOMINAL IN |
| External Prebent Key Length | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.972 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5512 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Angle | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Angle Between External Keys | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| Hole Diameter | 0.390 INCHES MINIMUM AND 0.395 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 |
|---|---|
| 3237830-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
NSN 5310-01-303-8160 is a Washer,key, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-303-8160 has 1 manufacturer part number on file: 3237830-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3237830-1: Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35,TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Split Key Length: 0.297 INCHES NOMINAL IN; External Prebent Key Length: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 17 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.