The Washer,key, cataloged under National Stock Number 5310-01-267-2978, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. Government technical data includes 11 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 | 5310-01-267-2978 |
| Primary Part Number | T17148T |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| External Straight Key Length | 0.060 INCHES NOMINAL IN |
| Distance From Centerline to Inside of Prebent Key | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | A4-3,CAGEC 75160 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| External Straight Key Width | 0.190 INCHES NOMINAL IN |
| External Key Quantity | 6 |
| External Prebent Key Width | 0.190 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.844 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 |
|---|---|
| T17148T PRIMARY | Deere & Co (USA) |
NSN 5310-01-267-2978 is a Washer,key, manufactured by Deere & Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-267-2978 has 1 manufacturer part number on file: T17148T (Deere & Co).
Key specifications for T17148T: External Straight Key Length: 0.060 INCHES NOMINAL IN; Distance From Centerline to Inside of Prebent Key: 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.750 INCHES NOMINAL IN; Material Document and Classification: A4-3,CAGEC 75160 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 11 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.