PartsTable TECHNICAL DATA SHEET
NSN 4320-01-076-4305Government record, cited

Pump Unit, Rotary4320-01-076-4305

NSN 4320-01-076-4305 · NIIN 010764305 · Part number 12277505
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 19207
Government record, cited
NSN 4320-01-076-4305 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-076-4305. Manufacturer of record part number: 12277505.
Also searched as  4320-01-076-4305 · 4320010764305 · NIIN 010764305 · 01-076-4305 · FSC 4320 Power and Hand Pumps · CAGE 19207 · 12277505
Nearby stock numbers  ·
Features
  • Pump Unit,rotary — FSC 4320
  • Discharge Connection Quantity: 1
  • Pump Quantity: 2
  • Rotary Pump Design: SCREW
  • Intake Connection Quantity: 1
  • 1 manufacturer part number on file
  • Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
  • NSN: 4320-01-076-4305
  • NIIN: 010764305
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: 12277505
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-01-076-4305, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-076-4305
Primary Part Number12277505
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Discharge Connection Quantity1
Pump Quantity2
Rotary Pump DesignSCREW
Intake Connection Quantity1
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
12277505 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 4320-01-076-4305?

NSN 4320-01-076-4305 is a Pump Unit,rotary, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-076-4305?

NSN 4320-01-076-4305 has 1 manufacturer part number on file: 12277505 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12277505?

Key specifications for 12277505: Discharge Connection Quantity: 1; Pump Quantity: 2; Rotary Pump Design: SCREW; Intake Connection Quantity: 1. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-076-4305 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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