NSN 4320-00-103-5656 · NIIN 001035656 · Part number 15056B
Industrial Technologies and Services Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 76122
Government record, cited
NSN 4320-00-103-5656 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-103-5656. Manufacturer of record part number: 15056B.
Also searched as4320-00-103-5656 ·
4320001035656 ·
NIIN 001035656 ·
00-103-5656 ·
FSC 4320 Power and Hand Pumps · CAGE 76122 · 15056B · 22600
Manufacturer: Industrial Technologies and Services Llc
General Description
The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-103-5656, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 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
4320-00-103-5656
Primary Part Number
15056B
Item Name
Impeller,pump,centrifugal
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Industrial Technologies and Services Llc
Status
ACTIVE
Keyway Type
RECTANGULAR
Keyway Depth
0.063 INCHES NOMINAL IN
Hub Bore Diameter
0.495 INCHES NOMINAL IN
Hub Length
0.250 INCHES NOMINAL IN
Design Type
SINGLE WIDTH
Overall Diameter
3.219 INCHES NOMINAL IN
Mounting Method
KEY
Keyway Quantity
1
Hub Projection Length Beyond Wheel Side
0.315 INCHES NOMINAL IN
Blade Quantity
6
Keyway Length
0.560 INCHES NOMINAL IN
Hub Quantity
1
Hub Location
BACK SIDE
Keyway Width
0.092 INCHES NOMINAL IN
Material
COPPER ALLOY
Rotation Direction for Which Designed
CLOCKWISE
Blade Type
FORWARD CURVE
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6105-00-583-3457211577POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Naval Ship Systems Command
3220-01-111-707822-375POSSIBLE MATCH
SURFACER,WOODWORKING
Possible match (shared part number)Cecom Lr Center
6350-01-438-0225226-001POSSIBLE MATCH
CONTROL,ALARM
Possible match (shared part number)Panametrics Llc
2990-01-465-917322-600POSSIBLE MATCH
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
Possible match (shared part number)Gt Exhaust Systems Inc
NSN 4320-00-103-5656 is a Impeller,pump,centrifugal, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-00-103-5656?
NSN 4320-00-103-5656 has 2 manufacturer part numbers on file: 22600 (Industrial Technologies and Services Llc), 15056B (Industrial Technologies and Services Llc).
What NSN replaces 4320-00-103-5656?
5 possible matches (shared part number, not a government interchangeability claim): 6105-00-583-3457, 3220-01-111-7078, 6350-01-438-0225. Verify interchangeability with system specifications before substitution.
What are the specifications of 15056B?
Key specifications for 15056B: Keyway Type: RECTANGULAR; Keyway Depth: 0.063 INCHES NOMINAL IN; Hub Bore Diameter: 0.495 INCHES NOMINAL IN; Hub Length: 0.250 INCHES NOMINAL IN. 17 specifications are documented in the U.S. Government catalog.
Is NSN 4320-00-103-5656 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.