The Screw,machine, cataloged under National Stock Number 5305-01-027-9477, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-027-9477 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Length | 0.708 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Nondefinitive Spec/std Data | 1 TYPE AND 25 STYLE |
| Screw Material | NICKEL ALLOY R-405 OR NICKEL ALLOY 400 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.002 INCHES MINIMUM AND 1.125 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 |
| Reference | Meaning |
|---|---|
| 132-5755340 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| FF-S-92 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-027-9477 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-027-9477: Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Thread Length: 0.708 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.625 INCHES IN; Head Style: FLAT COUNTERSUNK. 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.