PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8321-APump,rotary

Better Engineering Manufacturing Inc · NSN 4320-01-440-5151 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-440-5151 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-440-5151. Primary manufacturer part number: 8321-A.
Features
  • Pump,rotary — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Better Engineering Manufacturing Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-440-5151, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Better Engineering Manufacturing Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-440-5151
Primary Part Number8321-A
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerBetter Engineering Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5960-01-389-9931 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
8321-A PRIMARY Better Engineering Manufacturing Inc (USA)
8321 Better Engineering Manufacturing Inc (USA)
Related Parts
5960-01-389-9931INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 4320-01-440-5151?

NSN 4320-01-440-5151 is a Pump,rotary, manufactured by Better Engineering Manufacturing Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-440-5151?

NSN 4320-01-440-5151 has 2 cross-referenced part numbers: 8321-A (Better Engineering Manufacturing Inc), 8321 (Better Engineering Manufacturing Inc).

What NSN replaces 4320-01-440-5151?

There is 1 known substitute for 4320-01-440-5151: 5960-01-389-9931. Verify interchangeability with system specifications before substitution.

What are the specifications of 8321-A?

Key specifications for 8321-A: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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