The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-672-1540, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Glenair, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-672-1540 |
| Primary Part Number | 687-770NF15 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.59 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.12 INCHES IN |
| Surface Treatment | NICKEL OVERALL |
| Inside Width Across Flats | 1.37 INCHES NOMINAL IN |
| Nut Style | INTERNAL OR EXTERNAL WRENCHING HEXAGON |
| Thread Quantity Per Inch | 18 |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 687-770NF15 PRIMARY | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4303163 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-672-1540 is a Nut,plain,hexagon, manufactured by Glenair, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-672-1540 has 1 manufacturer part number on file: 687-770NF15 (Glenair, Inc.).
Key specifications for 687-770NF15: Width Across Flats: 1.59 INCHES NOMINAL IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.12 INCHES IN. 9 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.