The Screw,machine, cataloged under National Stock Number 5305-01-413-8487, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-413-8487 |
| Primary Part Number | 546-6408671 FIND A10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Locking Feature Material Document and Classification | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-N-286,CLA FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Screw Material | NICKEL ALLOY 500 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 211063573 | Naval Sea Systems Command (USA) |
| 546-6408671 FIND A10 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 546-6408671 FOND A10 | 5/9 Secondary reference Naval Sea Systems Command |
| 546-6408671 FIN | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5305-01-413-8487 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-413-8487 has 2 manufacturer part numbers on file: 211063573 (Naval Sea Systems Command), 546-6408671 FIND A10 (Naval Sea Systems Command).
Key specifications for 546-6408671 FIND A10: Locking Feature Material Document and Classification: MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE; Fastener Length: 0.625 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-N-286,CLA FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.625 INCHES NOMINAL IN. 14 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.