The Nut,plain,spline, cataloged under National Stock Number 5310-00-944-2571, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-944-2571 |
| Primary Part Number | 6808392 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Thread Series | UNS |
| Thread Pitch Diameters | +0.8235 TO 0.8271 INCHES IN |
| Material Document and Classification | AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.844 INCHES IN |
| Nut Diameter | 1.120 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.850 INCHES MINIMUM AND 0.860 INCHES MAXIMUM NUT IN |
| Pilot Diameter | 0.945 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN |
| Pilot Length | 0.380 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Nut Height | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Countersink Angle | 45.0 DEGREES NOMINAL NUT |
| Nut Style | SPLINE |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 6808392 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6808392 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5310-00-944-2571 is a Nut,plain,spline, manufactured by Rolls-Royce Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-944-2571 has 1 manufacturer part number on file: 6808392 (Rolls-Royce Corporation).
Key specifications for 6808392: Thread Series: UNS; Thread Pitch Diameters: +0.8235 TO 0.8271 INCHES IN; Material Document and Classification: AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM NUT 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.