The Washer,key, cataloged under National Stock Number 5310-00-440-9646, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 9 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 | 5310-00-440-9646 |
| Primary Part Number | A29438 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.750 INCHES NOMINAL IN |
| External Prebent Key Length | 0.125 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.750 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 1.635 INCHES NOMINAL IN |
| Material Thickness | 0.036 INCHES NOMINAL IN |
| External Prebent Key Width | 0.219 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.031 INCHES NOMINAL 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 |
|---|---|
| A29438 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 5310-00-440-9646 is a Washer,key, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-440-9646 has 1 manufacturer part number on file: A29438 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for A29438: Distance From Centerline to Inside of Prebent Key: 0.750 INCHES NOMINAL IN; External Prebent Key Length: 0.125 INCHES NOMINAL IN; Overall Distance Including Keys: 1.750 INCHES NOMINAL IN; Style Designator: KEY. 9 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.