The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-01-645-0080, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is C E Niehoff & Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-645-0080 |
| Primary Part Number | N9736 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | C E Niehoff & Co |
| Status | ACTIVE |
| Width Across Flats | 0.43 INCHES NOMINAL IN |
| Thread Tolerance Class | 2A EXTERNAL A |
| Nut Length | 0.75 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Pitch Diameters | -0.2127 TO 0.2164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.25 INCHES IN |
| Nut Height | 0.18 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| N9736 PRIMARY | C E Niehoff & Co (USA) |
NSN 5310-01-645-0080 is a Nut,plain,slotted,hexagon, manufactured by C E Niehoff & Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-645-0080 has 1 manufacturer part number on file: N9736 (C E Niehoff & Co).
Key specifications for N9736: Width Across Flats: 0.43 INCHES NOMINAL IN; Thread Tolerance Class: 2A EXTERNAL A; Nut Length: 0.75 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 14 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.