The Screw,machine, cataloged under National Stock Number 5305-00-680-5873, 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 14 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-680-5873 |
| Primary Part Number | BACB30LU4D17 |
| 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 |
| Fastener Length | 1.562 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.511 INCHES NOMINAL 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 |
|---|---|
| BACB30LU4D17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LU4D17 | Federal Manufacturing Corp (USA) |
| BACB30LU4D17 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LU4D17 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LU4D17 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LU4D17 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30LU4D17 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30ABP4-17 | 5/9 Secondary reference U.S. Government activity |
| BACB30LU4D17 | 5/2 Secondary reference U.S. Government activity |
| BACB30LU4D17 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BACB30LU4D17 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| BACB30ABP4-17 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-680-5873 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 5305-00-680-5873 has 6 manufacturer part numbers on file: BACB30LU4D17 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LU4D17 (Federal Manufacturing Corp), BACB30LU4D17 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30LU4D17 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30LU4D17 (Howmet Global Fastening Systems Inc) and 1 more.
Key specifications for BACB30LU4D17: Screw Surface Treatment: CADMIUM; Fastener Length: 1.562 INCHES NOMINAL IN; Thread Length: 0.375 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 14 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.