NSN 3020-00-558-9873 · NIIN 005589873 · Part number 103-254
Senior Operations Llc Div Senior Aerospace Ketema · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 03024
Government record, cited
NSN 3020-00-558-9873 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-558-9873. Manufacturer of record part number: 103-254.
Also searched as3020-00-558-9873 ·
3020005589873 ·
NIIN 005589873 ·
00-558-9873 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 03024 · 103-254
General Characteristics Item Description: SHAFT DIMENSION: 1.219L IN INCHES
1 manufacturer part number on file
Manufacturer of record: Senior Operations Llc Div Senior Aerospace Ketema
Identification
NSN: 3020-00-558-9873
NIIN: 005589873
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 103-254
Manufacturer: Senior Operations Llc Div Senior Aerospace Ketema
General Description
The Gear Train Assembly, cataloged under National Stock Number 3020-00-558-9873, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 1 specification, 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. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-558-9873
Primary Part Number
103-254
Item Name
Gear Train Assembly
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Senior Operations Llc Div Senior Aerospace Ketema
Status
ACTIVE
General Characteristics Item Description
SHAFT DIMENSION: 1.219L IN INCHES
Lifecycle & Compliance
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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5910-00-984-5253POSSIBLE MATCH
CAPACITOR,FIXED,MICA DIELECTRIC
Possible match (shared part number)
5985-01-071-5475103254POSSIBLE MATCH
WAVEGUIDE
Possible match (shared part number)Enterprise Electronics Corp
2530-01-518-4997103254POSSIBLE MATCH
END COVER ASSEMBLY,AIR DRYER
Possible match (shared part number)Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4530-01-575-3955103254POSSIBLE MATCH
BURNER,OIL,PRESSURE ATOMIZING
Possible match (shared part number)Watts Heating and Hot Water Solutions Llc Dba Pvi Industries Llc
5998-01-618-9853103254POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Systel Inc
5330-01-666-805110325-4POSSIBLE MATCH
GASKET
Possible match (shared part number)Shaw Development, Llc
Senior Operations Llc Div Senior Aerospace Ketema (USA)
Related Parts
5910-00-984-5253POSSIBLE MATCH
CAPACITOR,FIXED,MICA DIELECTRIC
5985-01-071-5475POSSIBLE MATCH
WAVEGUIDE
103254
2530-01-518-4997POSSIBLE MATCH
END COVER ASSEMBLY,AIR DRYER
103254
4530-01-575-3955POSSIBLE MATCH
BURNER,OIL,PRESSURE ATOMIZING
103254
5998-01-618-9853POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
103254
5330-01-666-8051POSSIBLE MATCH
GASKET
10325-4
2590-01-699-7849POSSIBLE MATCH
WINCH,DRUM,VEHICLE MOUNTING
Frequently Asked Questions
What is NSN 3020-00-558-9873?
NSN 3020-00-558-9873 is a Gear Train Assembly, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-558-9873?
NSN 3020-00-558-9873 has 1 manufacturer part number on file: 103-254 (Senior Operations Llc Div Senior Aerospace Ketema).
What NSN replaces 3020-00-558-9873?
7 possible matches (shared part number, not a government interchangeability claim): 5910-00-984-5253, 5985-01-071-5475, 2530-01-518-4997. Verify interchangeability with system specifications before substitution.
What are the specifications of 103-254?
Key specifications for 103-254: General Characteristics Item Description: SHAFT DIMENSION: 1.219L IN INCHES; End Item Identification: 5841-00-772-1769 & 5841-00-813-5412 RADAR SETS. 1 specification is documented in the U.S. Government catalog.
Is NSN 3020-00-558-9873 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.
What is the DEMIL code for NSN 3020-00-558-9873?
NSN 3020-00-558-9873 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.