The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-612-4125, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-612-4125 |
| Primary Part Number | ELS220HC6-15 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Fastener Length | 1.232 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Thread Length | 0.284 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 2500 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM 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 |
|---|---|
| ELS220HC6-15 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
NSN 5306-01-612-4125 is a Bolt,internal Wrenching, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-612-4125 has 1 manufacturer part number on file: ELS220HC6-15 (Howmet Global Fastening Systems Inc Div City of Industry Operations).
Key specifications for ELS220HC6-15: Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Fastener Length: 1.232 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN; Thread Length: 0.284 INCHES NOMINAL IN. 16 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.