The Screw,machine, cataloged under National Stock Number 5305-01-686-5479, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-686-5479 |
| Primary Part Number | 111894SS12A |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 0.09375 INCHES NOMINAL IN |
| Fastener Length | 0.3125 INCHES NOMINAL IN |
| Thread Length | 0.3125 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Screw Material | STEEL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 111894SS12A PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| H313859-3 PRIMARY | Raytheon Company Div Corp (USA) |
| 92314A145 | Mcmaster-Carr Supply Company (USA) |
| Reference | Meaning |
|---|---|
| H313859 | D/9 Drawing number reference only Raytheon Company Div Corp |
NSN 5305-01-686-5479 is a Screw,machine, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-686-5479 has 3 manufacturer part numbers on file: 111894SS12A (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), H313859-3 (Raytheon Company Div Corp), 92314A145 (Mcmaster-Carr Supply Company).
Key specifications for 111894SS12A: Head Height: 0.09375 INCHES NOMINAL IN; Fastener Length: 0.3125 INCHES NOMINAL IN; Thread Length: 0.3125 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN. 12 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.