FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
General Description
The Pump,booster,heater, cataloged under National Stock Number 2930-01-181-1940, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
2930-01-181-1940
Item Name
Pump,booster,heater
FSC / FSG
2930 / 29 — Engine Cooling System Components, Nonaircraft
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-211-032286304POSSIBLE MATCH
SEAL
Possible match (shared part number)Brunswick Corp Dba Mercury Marine Div Mercury Marine
5985-01-316-6325G000228S1POSSIBLE MATCH
SEAL,WAVEGUIDE
Possible match (shared part number)L3harris Technologies, Inc Div Space & Airborne Systems
4730-01-330-9437POSSIBLE MATCH
ELBOW,SWIVEL FLANGE TO TUBE
Possible match (shared part number)
5340-01-463-926286304POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)Deval Life Cycle Support Llc
4140-01-621-452286304POSSIBLE MATCH
FAN ASSEMBLY,CENTRIFUGAL
Possible match (shared part number)Viavi Solutionsllc
2930-01-718-975886306POSSIBLE MATCH
TANK,RADIATOR,OVERFLOW
Possible match (shared part number)Mi-Jack Products, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
86304
5/9Secondary reference
U.S. Government activity
86306
5/9Secondary reference
U.S. Government activity
863040
5/9Secondary reference
U.S. Government activity
868192
3/2Design control — primary reference
U.S. Government activity
Related Parts
5330-01-211-0322POSSIBLE MATCH
SEAL
86304
5985-01-316-6325POSSIBLE MATCH
SEAL,WAVEGUIDE
G000228S1
4730-01-330-9437POSSIBLE MATCH
ELBOW,SWIVEL FLANGE TO TUBE
5340-01-463-9262POSSIBLE MATCH
COVER,ACCESS
86304
4140-01-621-4522POSSIBLE MATCH
FAN ASSEMBLY,CENTRIFUGAL
86304
2930-01-718-9758POSSIBLE MATCH
TANK,RADIATOR,OVERFLOW
86306
Frequently Asked Questions
What is NSN 2930-01-181-1940?
NSN 2930-01-181-1940 is a Pump,booster,heater, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
What NSN replaces 2930-01-181-1940?
6 possible matches (shared part number, not a government interchangeability claim): 5330-01-211-0322, 5985-01-316-6325, 4730-01-330-9437. Verify interchangeability with system specifications before substitution.
What are the specifications of 2930-01-181-1940?
Key specifications for 2930-01-181-1940: End Item Identification: WARD SCHOOL BUS 1980 MODEL. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2930-01-181-1940 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.