The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-351-9400, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-351-9400 |
| Primary Part Number | AP391T04H |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Thread Series | UNJS |
| Material Document and Classification | AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.210 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| AP391T04H PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R44118T-04W PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16133-04W PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 5907783 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-351-9400 is a Nut,plain,hexagon, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-351-9400 has 3 manufacturer part numbers on file: AP391T04H (Sps Technologies, Llc Dba Airdrome Precision Components), R44118T-04W (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE16133-04W (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for AP391T04H: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.688 INCHES NOMINAL IN; Thread Series: UNJS; Material Document and Classification: AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.