The Screw,machine, cataloged under National Stock Number 5305-01-646-4009, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-4009 |
| Primary Part Number | J2484CPSF4-16S |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Fastener Length | 1.00 INCHES NOMINAL IN |
| Hardness Rating | 95.0 ROCKWELL B NOMINAL |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 OR STEEL COMP 303SE |
| Minimum Yield Strength | 450 MEGAPASCALS LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| J2484CPSF4-16S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 588-7666846 ITEM 17 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| J2484CPSF4-16S | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-646-4009 is a Screw,machine, manufactured by Sae International Dba Sae International, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-4009 has 1 manufacturer part number on file: J2484CPSF4-16S (Sae International Dba Sae International).
Key specifications for J2484CPSF4-16S: Fastener Length: 1.00 INCHES NOMINAL IN; Hardness Rating: 95.0 ROCKWELL B NOMINAL; Nominal Thread Diameter: 0.25 INCHES IN; Thread Direction: RIGHT-HAND. 8 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.