The Nut,self Locking,co, cataloged under National Stock Number 2840-00-703-2200, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Howmet Global Fastening Systems Inc. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self Locking,co |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Howmet Global Fastening Systems Inc (CAGE 15653); General Electric Company (CAGE 07482) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-703-2200 |
| Primary Part Number | K19066-5 |
| Item Name | Nut,self Locking,co |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Howmet Global Fastening Systems Inc |
| 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 |
|---|---|
| 93926-4-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| K19066-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 54406-524-S37 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 578C196P1 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 54406-524-537 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| LH6268-054 | 5/9 Secondary reference Harvard Industries Inc |
| 54406-524-537 | 5/9 Secondary reference U.S. Government activity |
| LH3612-054 | 5/9 Secondary reference Harvard Industries Inc |
| K19066-5 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
NSN 2840-00-703-2200 is a Nut,self Locking,co, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-703-2200 has 4 manufacturer part numbers on file: 93926-4-4 (Sps Technologies, Llc Dba PB Fasteners), K19066-5 (Howmet Global Fastening Systems Inc), 54406-524-S37 (Sps Technologies, Llc Dba PB Fasteners), 578C196P1 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-465-6692. Verify interchangeability with system specifications before substitution.
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.