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NSN 4320-01-232-9700Government record, cited

Piston, Pump4320-01-232-9700

NSN 4320-01-232-9700 · NIIN 012329700 · Part number 23045939
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 73342
Government record, cited
NSN 4320-01-232-9700 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-232-9700. Manufacturer of record part number: 23045939.
Also searched as  4320-01-232-9700 · 4320012329700 · NIIN 012329700 · 01-232-9700 · FSC 4320 Power and Hand Pumps · CAGE 73342 · 23045939 · 12288292
Nearby stock numbers  ·
Features
  • Piston,pump — FSC 4320
  • Integral Connecting Rod: NOT INCLUDED
  • Retaining Ring Groove: INCLUDED
  • Diameter: 2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
  • Pin: NOT INCLUDED
  • Pin Hole Bushing: NOT INCLUDED
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc
Identification
  • NSN: 4320-01-232-9700
  • NIIN: 012329700
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: 23045939
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-232-9700, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-232-9700
Primary Part Number23045939
Item NamePiston,pump
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Integral Connecting RodNOT INCLUDED
Retaining Ring GrooveINCLUDED
Diameter2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
PinNOT INCLUDED
Pin Hole BushingNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeN
Cross-Reference Index
Part NumberManufacturer
12288292 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
23045939 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-232-9700?

NSN 4320-01-232-9700 is a Piston,pump, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-232-9700?

NSN 4320-01-232-9700 has 2 manufacturer part numbers on file: 12288292 (U S Army Tank Automotive Command Amsta-Im-Mm), 23045939 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 23045939?

Key specifications for 23045939: Overall Height: 2.840 INCHES NOMINAL IN; Integral Connecting Rod: NOT INCLUDED; Retaining Ring Groove: INCLUDED; Diameter: 2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-232-9700 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.
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