The Nut,self-Wrenching,self-Locking, cataloged under National Stock Number 5310-01-044-6220, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-044-6220 |
| Primary Part Number | K1910E-4 |
| Item Name | Nut,self-Wrenching,self-Locking |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CADMIUM QQ-P-416 TYPE 2 CLASS 2,1/4-28 UNF-3B THREAD,DRY FILM LUBRICATED,0.253 IN. MIN COUNTERBORE DIA,0.080 IN. MAX COUNTERBORE DEPTH,0.796 IN. MAX FROM NUT CENTER TO WRENCHING END,PREVAILING TORQUE ALL METAL LOCKING FEATURE 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 |
|---|---|
| K1910E-4 | Satair A/s (DNK) |
| K1910E-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M189-4T PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| K1910E4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
NSN 5310-01-044-6220 is a Nut,self-Wrenching,self-Locking, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-044-6220 has 3 manufacturer part numbers on file: K1910E-4 (Satair A/s), K1910E-4 (Howmet Global Fastening Systems Inc), 3M189-4T (The Boeing Company Div Defense).
Key specifications for K1910E-4: General Characteristics Item Description: STEEL,CADMIUM QQ-P-416 TYPE 2 CLASS 2,1/4-28 UNF-3B THREAD,DRY FILM LUBRICATED,0.253 IN. MIN COUNTERBORE DIA,0.080 IN. MAX COUNTERBORE DEPTH,0.796 IN. MAX FROM NUT CENTER TO WRENCHING END,PREVAILING TORQUE ALL METAL LOCKING FEATURE IN. 1 specification is 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.