The Screw,machine, cataloged under National Stock Number 5305-01-640-9781, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-640-9781 |
| Primary Part Number | J2484CPS6-4S2 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 316 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 167-8278269 PC 48 | Naval Sea Systems Command (USA) |
| J2484CPS6-4S2 PRIMARY | Sae International Dba Sae International (USA) |
| 167-8278492 ITEM NO 54 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 167-8278269 | D/9 Drawing number reference only Naval Sea Systems Command |
| J2484CPS6-4S2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-640-9781 is a Screw,machine, manufactured by Sae International Dba Sae International, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-640-9781 has 3 manufacturer part numbers on file: 167-8278269 PC 48 (Naval Sea Systems Command), J2484CPS6-4S2 (Sae International Dba Sae International), 167-8278492 ITEM NO 54 (Naval Sea Systems Command).
Key specifications for J2484CPS6-4S2: Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN; Thread Direction: RIGHT-HAND; Screw Material: STEEL COMP 316. 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.