The Synchro Assembly, cataloged under National Stock Number 5990-01-154-7296, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5990-01-154-7296 |
| Primary Part Number | 055194 |
| Item Name | Synchro Assembly |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 055194 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 934F055194 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| PL-934F055194 | 5/1 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5990-01-154-7296 is a Synchro Assembly, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-154-7296 has 1 manufacturer part number on file: 055194 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 8145-01-406-1877. Verify interchangeability with system specifications before substitution.
Key specifications for 055194: Special Features: BACKLASH REQUIREMENTS WITH S4 SHAFT LOCKED,BACKLASH TO BE FROM 0.002 TO 0.005 AT 54T/24P GEAR 20,933C055433 ON S2 SHAFT. 0 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 5990-01-154-7296 has DEMIL Code D. 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.