NSN 4320-01-149-3845 · NIIN 011493845 · Part number KT-3225-3
The Entwistle Company Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 20722
Government record, cited
NSN 4320-01-149-3845 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-149-3845. Manufacturer of record part number: KT-3225-3.
Also searched as4320-01-149-3845 ·
4320011493845 ·
NIIN 011493845 ·
01-149-3845 ·
FSC 4320 Power and Hand Pumps · CAGE 20722 · KT-3225-3 · 610-4678493ITEM · KT-3225-1 ITEM 6 · KT-3225-1
Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: The Entwistle Company Llc
Identification
NSN: 4320-01-149-3845
NIIN: 011493845
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: KT-3225-3
Manufacturer: The Entwistle Company Llc
General Description
The Pump,rotary, cataloged under National Stock Number 4320-01-149-3845, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is The Entwistle Company Llc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4320-01-149-3845
Primary Part Number
KT-3225-3
Item Name
Pump,rotary
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
The Entwistle Company Llc
Status
ACTIVE
Discharge Pressure
000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Operation Method
MANUAL
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-149-7653KT-4564POSSIBLE MATCH
PUMP,HYDRAULIC RAM,HAND DRIVEN
Possible match (shared part number)The Entwistle Company Llc
4320-01-150-3814KT-3225-5POSSIBLE MATCH
PLATE,WEAR,ROTARY PUMP
Possible match (shared part number)The Entwistle Company Llc
4820-01-151-3523KT-3225-2POSSIBLE MATCH
STOP,VALVE
Possible match (shared part number)The Entwistle Company Llc
4320-01-151-3891KT-3225-6POSSIBLE MATCH
MANIFOLD
Possible match (shared part number)The Entwistle Company Llc
4320-01-151-3892KT-3225-4POSSIBLE MATCH
TANK,PUMP
Possible match (shared part number)The Entwistle Company Llc
4820-01-151-5605559T-4D-20POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Circor Aerospace, Inc. Dba Circor Aerospace Inc
4320-01-151-5648KT-3225-9POSSIBLE MATCH
HANDLE,PUMP
Possible match (shared part number)The Entwistle Company Llc
5940-01-697-7230KT3225-3POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)Abb Control Inc
C/1Advisory reference — outside the item-of-supply concept
Entwistle Co the Kenett Hydraulic Systems Div
KT-3225-1 ITEM 6
C/1Advisory reference — outside the item-of-supply concept
The Entwistle Company Llc
KT-3225-1
D/9Drawing number reference only
Entwistle Co the Kenett Hydraulic Systems Div
KT-3225-1 ITEM 6
5/9Secondary reference
Entwistle Co the Kenett Hydraulic Systems Div
Related Parts
4320-01-149-7653POSSIBLE MATCH
PUMP,HYDRAULIC RAM,HAND DRIVEN
KT-4564
4320-01-150-3814POSSIBLE MATCH
PLATE,WEAR,ROTARY PUMP
KT-3225-5
4820-01-151-3523POSSIBLE MATCH
STOP,VALVE
KT-3225-2
4320-01-151-3891POSSIBLE MATCH
MANIFOLD
KT-3225-6
4320-01-151-3892POSSIBLE MATCH
TANK,PUMP
KT-3225-4
4820-01-151-5605POSSIBLE MATCH
VALVE,SAFETY RELIEF
559T-4D-20
4320-01-151-5648POSSIBLE MATCH
HANDLE,PUMP
KT-3225-9
5940-01-697-7230POSSIBLE MATCH
TERMINAL,LUG
KT3225-3
Frequently Asked Questions
What is NSN 4320-01-149-3845?
NSN 4320-01-149-3845 is a Pump,rotary, manufactured by The Entwistle Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-149-3845?
NSN 4320-01-149-3845 has 1 manufacturer part number on file: KT-3225-3 (The Entwistle Company Llc).
What NSN replaces 4320-01-149-3845?
8 possible matches (shared part number, not a government interchangeability claim): 4320-01-149-7653, 4320-01-150-3814, 4820-01-151-3523. Verify interchangeability with system specifications before substitution.
What are the specifications of KT-3225-3?
Key specifications for KT-3225-3: Discharge Pressure: 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS; Operation Method: MANUAL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-149-3845 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.