The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-387-9204, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Reelcraft Industries Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-387-9204 |
| Primary Part Number | S281-4 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Reelcraft Industries Inc |
| Status | ACTIVE |
| Nut Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Nut Height | 0.266 INCHES NOMINAL IN |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S281-4 | Reelcraft Industries Inc (USA) |
NSN 5310-01-387-9204 is a Nut,plain,hexagon, manufactured by Reelcraft Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-387-9204 has 1 cross-referenced part number: S281-4 (Reelcraft Industries Inc).
There are 2 known substitutes for 5310-01-387-9204: 5340-00-829-2643, 4730-00-940-8851. Verify interchangeability with system specifications before substitution.
Key specifications for S281-4: Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED. 9 total characteristics are documented in the Federal Logistics Information System.