The Screw,machine, cataloged under National Stock Number 5305-01-663-2018, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rohr Mfg Group Inc Ram Outdoor Power Equipment Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-663-2018 |
| Primary Part Number | NAS8704U7 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rohr Mfg Group Inc Ram Outdoor Power Equipment Div |
| Status | ACTIVE |
| Head Height | 0.063 INCHES MAXIMUM IN |
| Fastener Length | 0.793 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM ALL HOLES IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.355 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN |
| Thread Forming Method | CUT |
| 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 |
|---|---|
| NAS8704U7 | Rohr Mfg Group Inc Ram Outdoor Power Equipment Div (USA) |
| Reference | Meaning |
|---|---|
| NAS8704U7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-663-2018 is a Screw,machine, manufactured by Rohr Mfg Group Inc Ram Outdoor Power Equipment Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-663-2018 has 1 manufacturer part number on file: NAS8704U7 (Rohr Mfg Group Inc Ram Outdoor Power Equipment Div).
Key specifications for NAS8704U7: Head Height: 0.063 INCHES MAXIMUM IN; Fastener Length: 0.793 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN; Thread Length: 0.370 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM ALL HOLES IN. 13 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.