The Washer,key, cataloged under National Stock Number 5310-00-970-5832, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-970-5832 |
| Primary Part Number | 028261 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.734 INCHES NOMINAL IN |
| External Prebent Key Length | 0.265 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.688 INCHES NOMINAL IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Width | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OVERALL |
| Hole Diameter | 1.141 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 |
|---|---|
| 028261 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| 233257 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| 233257 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5310-00-970-5832 is a Washer,key, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-970-5832 has 2 manufacturer part numbers on file: 028261 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), 233257 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-393-1042. Verify interchangeability with system specifications before substitution.
Key specifications for 028261: Distance From Centerline to Inside of Prebent Key: 0.734 INCHES NOMINAL IN; External Prebent Key Length: 0.265 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.688 INCHES NOMINAL IN. 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.