The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-065-9257, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-065-9257 |
| Primary Part Number | 16P137-9 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.062 INCHES IN |
| Nut Height | 0.406 INCHES NOMINAL IN |
| Countersink Angle | 90.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM 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 |
|---|---|
| 16P137-9 | Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi (TUR) |
| 16P137-9 | Essner Manufacturing Lp (USA) |
| Reference | Meaning |
|---|---|
| 16P137-9 | 3/2 Design control — primary reference U.S. Government activity |
| 5310PL0748646 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-065-9257 is a Nut,plain,hexagon, manufactured by Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-065-9257 has 2 manufacturer part numbers on file: 16P137-9 (Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi), 16P137-9 (Essner Manufacturing Lp).
Key specifications for 16P137-9: Width Across Flats: 1.375 INCHES NOMINAL IN; Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.062 INCHES IN. 11 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.