The Spring and Hub Assembly, cataloged under National Stock Number 6620-01-289-8486, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-289-8486 |
| Primary Part Number | 9850138G018 |
| Item Name | Spring and Hub Assembly |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| FSC Application Data | FUEL FLOW TRANSMITTER MIL-I-38144 |
| General Characteristics Item Description | 1.5 IN. DIA,3/8 IN. LONG; MATL. NICKEL-IRON-CHOMIUM TITANIUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9850138G018 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 9850138G018 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6620-01-289-8486 is a Spring and Hub Assembly, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-289-8486 has 1 manufacturer part number on file: 9850138G018 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 9850138G018: FSC Application Data: FUEL FLOW TRANSMITTER MIL-I-38144; General Characteristics Item Description: 1.5 IN. DIA,3/8 IN. LONG; MATL. NICKEL-IRON-CHOMIUM TITANIUM IN; End Item Identification: F111 ACFT. 2 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.
NSN 6620-01-289-8486 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.