The Nut,self-Locking,spline, cataloged under National Stock Number 5310-00-807-5170, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-807-5170 |
| Primary Part Number | 4255482 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Pilot Diameter | 0.509 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN |
| Pilot Length | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.469 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT INSERT |
| Nut Style | SPLINE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL EXCEPT INSERT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| 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 |
|---|---|
| 4255482 | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| 42ND12-064 | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-00-807-5170 is a Nut,self-Locking,spline, manufactured by Agco Corp Parts Opn, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-807-5170 has 1 manufacturer part number on file: 4255482 (Agco Corp Parts Opn).
Key specifications for 4255482: Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 15 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.