The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-418-5131, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Howmet Global Fastening Systems Inc (CAGE 06950); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-418-5131 |
| Primary Part Number | S4928913-12-48 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| 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 |
|---|---|
| S4928913-12-48 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S4928913-12-48 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| S4928913-12-48 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| S4928913-12-48 | 3/2 Design control — primary reference U.S. Government activity |
| S4928913-12-48 | 5/9 Secondary reference Acuity Specialty Products, Inc Dba Zep Sales & Service |
| S4928913-12-48 | 5/9 Secondary reference Mercury Aerospace Fasteners Inc |
| S4928913-12-48 | 5/9 Secondary reference U.S. Government activity |
| S4928913-12-48 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-418-5131 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-418-5131 has 3 manufacturer part numbers on file: S4928913-12-48 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S4928913-12-48 (Howmet Global Fastening Systems Inc), S4928913-12-48 (Huck International, Inc).
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.