The Screw,machine, cataloged under National Stock Number 5305-01-272-4803, 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 16 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-272-4803 |
| Primary Part Number | E033-2307 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.762 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 7479 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE-SET RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.344 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED 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 |
|---|---|
| PBF1379-2307 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LE111-0033-2307 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LE111-0033-2307 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LE111-0033-2307 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| SC1785RE3-7 | Howmet Global Fastening Systems Inc (USA) |
| LE111-0033-2307 | Hi-Shear Corporation (USA) |
| E033-2307 PRIMARY | Huck International, Inc (USA) |
| LE111-0033-2307 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 123181E3R07 | 5/2 Secondary reference U.S. Government activity |
| LE111-0033-2307 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| E033-2307 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-272-4803 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-272-4803 has 8 manufacturer part numbers on file: PBF1379-2307 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LE111-0033-2307 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LE111-0033-2307 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LE111-0033-2307 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), SC1785RE3-7 (Howmet Global Fastening Systems Inc) and 3 more.
Key specifications for E033-2307: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.762 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 7479 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN. 16 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.