The Screw,machine, cataloged under National Stock Number 5305-00-421-9632, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Dupree, Inc Dba Stake Fastener Co Div Stake Fastener Co.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-421-9632 |
| Primary Part Number | SFSW6C12DS01BK |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Dupree, Inc Dba Stake Fastener Co Div Stake Fastener Co. |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.657 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | WASHER |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4037 OR STEEL COMP 8630 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 374654-4 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| SFSW6C12DS01BK PRIMARY | Dupree, Inc Dba Stake Fastener Co Div Stake Fastener Co. (USA) |
| Reference | Meaning |
|---|---|
| SFSW6C12D-L01BK | C/1 Advisory reference — outside the item-of-supply concept Dupree Inc. Dba Stake Fastener |
NSN 5305-00-421-9632 is a Screw,machine, manufactured by Dupree, Inc Dba Stake Fastener Co Div Stake Fastener Co., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-421-9632 has 2 manufacturer part numbers on file: 374654-4 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), SFSW6C12DS01BK (Dupree, Inc Dba Stake Fastener Co Div Stake Fastener Co.).
Key specifications for SFSW6C12DS01BK: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Fastener Length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Length: 0.657 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. 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.