The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-278-3992, 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 Tridair Products. The record lists 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372); Monadnock Company, the Dba Lisi Aerospace (CAGE 60119) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-278-3992 |
| Primary Part Number | CA21037-6-8HS |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CA21037-6-8HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 120000-6-8 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1634838 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5306PL1498853 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5306PL1634845 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C9537-6-8 | 5/1 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| C9537-6-8 | 7/2 Vendor item drawing reference U.S. Government activity |
| CA21037-68H5 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5306-01-278-3992 is a Bolt,internal Wrenching, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-278-3992 has 2 manufacturer part numbers on file: CA21037-6-8HS (Howmet Global Fastening Systems Inc. Div Tridair Products), 120000-6-8 (Monadnock Company, the Dba Lisi Aerospace).
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.