The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-020-4819, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-020-4819 |
| Primary Part Number | R44118T03 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Series | UN |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | 6AL-4V FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL V |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.181 INCHES NOMINAL IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY 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 |
|---|---|
| R44118T03 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16133-3 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| GN512EY3 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| R44118T-03 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-020-4819 is a Nut,plain,hexagon, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-020-4819 has 3 manufacturer part numbers on file: R44118T03 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE16133-3 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), GN512EY3 (Northrop Grumman Systems Corporation).
Key specifications for R44118T03: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UN; Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: 6AL-4V FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL V. 13 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.