The Screw,close Tolerance, cataloged under National Stock Number 5305-01-593-6591, 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 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-593-6591 |
| Primary Part Number | BACB30XD3K7G |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.069 INCHES NOMINAL IN |
| Fastener Length | 0.3667 INCHES NOMINAL IN |
| Thread Length | 0.1900 INCHES NOMINAL IN |
| Head Style | COUNTERSUNK CYLINDRICAL CONVEX |
| Thread Direction | RIGHT-HAND |
| Color | GRAY/GREY OVERALL |
| Surface Treatment | ENAMEL OVERALL |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.322 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 |
|---|---|
| BACB30XD3K7G | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30XD3K7G | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-593-6591 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-6591 has 1 manufacturer part number on file: BACB30XD3K7G (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for BACB30XD3K7G: Head Height: 0.069 INCHES NOMINAL IN; Fastener Length: 0.3667 INCHES NOMINAL IN; Thread Length: 0.1900 INCHES NOMINAL IN; Head Style: COUNTERSUNK CYLINDRICAL CONVEX. 11 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.