The Screw,machine, cataloged under National Stock Number 5305-01-284-2993, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-284-2993 |
| Primary Part Number | AIC4038-4-3 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 0.599 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Thread Length | 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE SET |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 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 |
|---|---|
| FIT111-0032-0403 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SII-1087-0403 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| PBF1378-0403 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC4038-4-3 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SCI785T-4-3 | Howmet Global Fastening Systems Inc (USA) |
| HR132-4T3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HR132-4T3 | Hi-Shear Corporation (USA) |
| A032-0403 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| W111-0032-0403 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| LE111-0032-0403 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| MA2LE132 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 123181A4T3 | 5/2 Secondary reference U.S. Government activity |
| A032-0403 | 5/9 Secondary reference U.S. Government activity |
| LE111-0032-0403 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5305-01-284-2993 is a Screw,machine, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-284-2993 has 8 manufacturer part numbers on file: FIT111-0032-0403 (Fastener Innovation Technology, Inc. Dba F I T), SII-1087-0403 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), PBF1378-0403 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC4038-4-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), SCI785T-4-3 (Howmet Global Fastening Systems Inc) and 3 more.
Key specifications for AIC4038-4-3: Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 0.599 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN; Thread Length: 0.401 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. 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.