The Bolt,machine, cataloged under National Stock Number 5306-01-616-6641, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-616-6641 |
| Primary Part Number | BACB30PW4-16 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE II, CLASS 2 AND BPS-F-69 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.2500 INCHES NOMINAL IN |
| Supplementary Features | MAXIMUM SERVICE TEMPERATURE: 450F |
| Material Document and Classification | A286 CRES PER AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | HEXAGON |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Color | GREEN THREADS |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| BACB30PW4-16 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30PW4-16 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30PW4-16 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30PW4-16 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30PW4-16 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30PW4-16 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACB30PW4-16 | 1/2 Source control — Government-approved source U.S. Government activity |
| BACB30PW4-16 | 5/9 Secondary reference Huck International, Inc |
NSN 5306-01-616-6641 is a Bolt,machine, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-616-6641 has 5 manufacturer part numbers on file: BACB30PW4-16 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30PW4-16 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30PW4-16 (Federal Manufacturing Corp), BACB30PW4-16 (Sps Technologies, Llc Dba PB Fasteners), BACB30PW4-16 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for BACB30PW4-16: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-416, TYPE II, CLASS 2 AND BPS-F-69 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.2500 INCHES NOMINAL IN; Supplementary Features: MAXIMUM SERVICE TEMPERATURE: 450F. 9 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.