Impeller4320-01-137-3080

NSN 4320-01-137-3080 · NIIN 011373080 · Part number BI8202990

Ampco Pumps Company Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0TWN3

Government record, cited

NSN 4320-01-137-3080 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-137-3080. Manufacturer of record part number: BI8202990.

Also searched as 4320-01-137-3080 · 4320011373080 · NIIN 011373080 · 01-137-3080 · FSC 4320 Power and Hand Pumps · CAGE 0TWN3 · BI8202990 · 820299 · 820299

Nearby stock numbers ← 4320-01-137-2520 Parts Kit, Hydraulic Pump · 4320-01-137-3295 Housing, Liquid Pump →

Features

Impeller — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Ampco Pumps Company Llc

Identification

NSN: 4320-01-137-3080
NIIN: 011373080
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: BI8202990
Manufacturer: Ampco Pumps Company Llc

General Description

The Impeller, cataloged under National Stock Number 4320-01-137-3080, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ampco Pumps Company Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Impeller
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Ampco Pumps Company Llc (CAGE 0TWN3)

Technical Specifications

Parameter	Value
NSN	4320-01-137-3080
Primary Part Number	BI8202990
Item Name	Impeller
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Ampco Pumps Company Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4320-01-476-5097BI8202990 4-5/8 INCH POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

Possible match (shared part number)Ampco Pumps Company Llc

Cross-Reference Index

Part Number	Manufacturer
BI8202990 PRIMARY	Ampco Pumps Company Llc (USA)

Reference documents

Reference	Meaning
820299	5/9 Secondary reference Ampco Pumps Company Llc
820299	5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc

Related Parts

4320-01-476-5097POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

BI8202990 4-5/8 INCH

Frequently Asked Questions

What is NSN 4320-01-137-3080?

NSN 4320-01-137-3080 is a Impeller, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-137-3080?

NSN 4320-01-137-3080 has 1 manufacturer part number on file: BI8202990 (Ampco Pumps Company Llc).

What NSN replaces 4320-01-137-3080?

1 possible match (shared part number, not a government interchangeability claim): 4320-01-476-5097. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-137-3080 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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