FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Synchro and Gear As, cataloged under National Stock Number 5990-00-489-7834, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Synchro and Gear As
FSC / FSG
5990 — Synchros and Resolvers (FSG 59)
Technical Specifications
Parameter
Value
NSN
5990-00-489-7834
Item Name
Synchro and Gear As
FSC / FSG
5990 / 59 — Synchros and Resolvers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4310-00-855-0655POSSIBLE MATCH
RING,PISTON
Possible match (shared part number)
4010-01-238-2331POSSIBLE MATCH
WIRE ROPE ASSEMBLY,SINGLE LEG
Possible match (shared part number)
5998-01-304-489210011701-001POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Interface Technology Inc
5930-01-371-1290M1196176186POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Sensata Technologies, Inc. Div Sensata Attleboro
6150-01-557-96821001171POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1001170-1
3/2Design control — primary reference
U.S. Government activity
100117-1
5/9Secondary reference
L3harris Interstate Electronics Corporation
100117-1
5/9Secondary reference
U.S. Government activity
Related Parts
4310-00-855-0655POSSIBLE MATCH
RING,PISTON
4010-01-238-2331POSSIBLE MATCH
WIRE ROPE ASSEMBLY,SINGLE LEG
5998-01-304-4892POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
10011701-001
5930-01-371-1290POSSIBLE MATCH
SWITCH,THERMOSTATIC
M1196176186
6150-01-557-9682POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1001171
Frequently Asked Questions
What is NSN 5990-00-489-7834?
NSN 5990-00-489-7834 is a Synchro and Gear As, classified under FSC 5990, Synchros and Resolvers. Status: active.
What NSN replaces 5990-00-489-7834?
5 possible matches (shared part number, not a government interchangeability claim): 4310-00-855-0655, 4010-01-238-2331, 5998-01-304-4892. Verify interchangeability with system specifications before substitution.
Is NSN 5990-00-489-7834 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.