The Nut,sleeve, cataloged under National Stock Number 5310-00-784-4687, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-784-4687 |
| Primary Part Number | 400856 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Flange Diameter | 0.560 INCHES NOMINAL IN |
| Nut Length | 0.190 INCHES NOMINAL IN |
| Flange Thickness | 0.160 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Criticality Code Justification | FEAT |
| Nominal Thread Size | 0.313 INCHES IN |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5310-00-784-4687 is a Nut,sleeve, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-784-4687 has 3 manufacturer part numbers on file: 400856 (Rtx Corporation Div Pratt & Whitney), 400856 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 400856 (Moeller Mfg. Company, Llc Div Aircraft).
Key specifications for 400856: Flange Diameter: 0.560 INCHES NOMINAL IN; Nut Length: 0.190 INCHES NOMINAL IN; Flange Thickness: 0.160 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 10 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.