The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-593-6604, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-593-6604 |
| Primary Part Number | BACB30ZE4-5G |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.255 INCHES NOMINAL IN |
| Fastener Length | 0.2797 INCHES NOMINAL IN |
| Thread Length | 0.389 INCHES NOMINAL IN |
| Head Style | COUNTERSUNK CYLINDRICAL CONVEX |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.063 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.076 INCHES NOMINAL IN |
| Head Diameter | 0.399 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 |
|---|---|
| BACB30ZE4-5G | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30ZE4-5G | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30ZE4-5G | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30ZE4-5G | Howmet Global Fastening Systems Inc (USA) |
| BACB30ZE4-5G | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACB30ZE4-5G | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-593-6604 is a Bolt,internal Wrenching, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-593-6604 has 5 manufacturer part numbers on file: BACB30ZE4-5G (Sps Technologies, Llc Dba PB Fasteners), BACB30ZE4-5G (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30ZE4-5G (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30ZE4-5G (Howmet Global Fastening Systems Inc), BACB30ZE4-5G (Hi-Shear Corporation).
Key specifications for BACB30ZE4-5G: Head Height: 0.255 INCHES NOMINAL IN; Fastener Length: 0.2797 INCHES NOMINAL IN; Thread Length: 0.389 INCHES NOMINAL IN; Head Style: COUNTERSUNK CYLINDRICAL CONVEX. 13 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.