The Screw,machine, cataloged under National Stock Number 5305-01-348-3891, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-348-3891 |
| Primary Part Number | 6573360 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Extended Washer Thickness | 0.050 INCHES NOMINAL IN |
| Head Height | 0.450 INCHES NOMINAL IN |
| Fastener Length | 2.550 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS 5622 ASSN STD SINGLE MATERIAL RESPONSE |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 2.450 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 630 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Hole Diameter | 0.094 INCHES NOMINAL IN |
| Head Diameter | 0.310 INCHES MINIMUM AND 0.314 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 |
|---|---|
| 6573360 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-348-3891 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-348-3891 has 1 manufacturer part number on file: 6573360 (Naval Sea Systems Command).
Key specifications for 6573360: Extended Washer Thickness: 0.050 INCHES NOMINAL IN; Head Height: 0.450 INCHES NOMINAL IN; Fastener Length: 2.550 INCHES NOMINAL IN; Screw Material Document and Classification: AMS 5622 ASSN STD SINGLE MATERIAL RESPONSE. 18 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.