The Screw,machine, cataloged under National Stock Number 5305-01-134-9361, 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 10 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-134-9361 |
| Primary Part Number | 3M933-4-9 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 0.546 INCHES MINIMUM AND 0.593 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 | 0.482 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 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 |
|---|---|
| 3M933-4-9 PRIMARY | Huck International, Inc (USA) |
| PBF1580-4-9 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SC2671-4-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SC2671-4-9 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| SC2671-4-9 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 123630-4-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC944-4-9 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SC2671-4-9 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SC2671-4-9 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M933-4-9 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| SC2671-4-9 | 3/2 Design control — primary reference U.S. Government activity |
| MA5933-4-9 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 3M933-4-9 | 5/9 Secondary reference U.S. Government activity |
| SC2671-4-9 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div |
| 3M933-4-9 | 5/2 Secondary reference U.S. Government activity |
| IAM9336-4-9 | 5/9 Secondary reference First American Sales Co Inc |
| 10115367 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SC2671-4-9 | 5/9 Secondary reference U.S. Government activity |
| 3M933-4-9 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-134-9361 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-134-9361 has 10 manufacturer part numbers on file: 3M933-4-9 (Huck International, Inc), PBF1580-4-9 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), SC2671-4-9 (Sps Technologies, Llc Dba PB Fasteners), SC2671-4-9 (Howmet Global Fastening Systems Inc), SC2671-4-9 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 5 more.
Key specifications for 3M933-4-9: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 0.546 INCHES MINIMUM AND 0.593 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.