The Screw,machine, cataloged under National Stock Number 5305-01-043-1864, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-043-1864 |
| Primary Part Number | 6810388-96 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Screw Material Document and Classification | EMS85010-73342 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 0.410 INCHES NOMINAL IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 81.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 6810388-96 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6810388-96 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5305-01-043-1864 is a Screw,machine, manufactured by Rolls-Royce Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-043-1864 has 1 manufacturer part number on file: 6810388-96 (Rolls-Royce Corporation).
Key specifications for 6810388-96: Screw Surface Treatment: CADMIUM; Fastener Length: 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Screw Material Document and Classification: EMS85010-73342 MFR REF SINGLE MATERIAL RESPONSE; Thread Length: 0.410 INCHES NOMINAL IN. 15 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.