The Screw,machine, cataloged under National Stock Number 5305-01-130-3258, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-130-3258 |
| Primary Part Number | 3M933-3-12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 0.734 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE |
| Thread Length | 0.670 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP E4340 OR STEEL COMP 8740 |
| 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 |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Hole Configuration Style | HEXAGON CORNERS |
| Hole Diameter | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | MIL-C-83488,TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 3M933-3-12 PRIMARY | Huck International, Inc (USA) |
| SC2671-3-12 | Howmet Global Fastening Systems Inc (USA) |
| 3M933-3-12 PRIMARY | The Boeing Company Div Defense (USA) |
| SC2671-3-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC944-3-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SC2671-3-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1580-3-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SC2671-3-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M933-3-12 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| SC2671-3-12 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div |
| SC2671-3-12 | 5/9 Secondary reference U.S. Government activity |
| 3M933-3-12 | 5/9 Secondary reference U.S. Government activity |
| IAM9336-3-12 | 5/9 Secondary reference First American Sales Co Inc |
| SC2671-3-12 | 5/9 Secondary reference U.S. Government activity |
| 123630-3-12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| SC2671-3-12 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| MA5933-3-12 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 10115234 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-130-3258 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-130-3258 has 9 manufacturer part numbers on file: 3M933-3-12 (Huck International, Inc), SC2671-3-12 (Howmet Global Fastening Systems Inc), 3M933-3-12 (The Boeing Company Div Defense), SC2671-3-12 (Sps Technologies, Llc Dba PB Fasteners), AIC944-3-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 4 more.
Key specifications for 3M933-3-12: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 0.734 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE. 19 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.