Pump Unit, Rotary4320-01-233-5852

NSN 4320-01-233-5852 · NIIN 012335852 · Part number E4156

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 07524

Government record, cited

NSN 4320-01-233-5852 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-233-5852. Manufacturer of record part number: E4156.

Also searched as 4320-01-233-5852 · 4320012335852 · NIIN 012335852 · 01-233-5852 · FSC 4320 Power and Hand Pumps · CAGE 07524 · E4156 · E4156 W-215N

Nearby stock numbers ← 4320-01-233-5851 · 4320-01-233-5876 →

Features

Pump Unit,rotary — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 4320-01-233-5852
NIIN: 012335852
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: E4156
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-01-233-5852, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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	4320-01-233-5852
Primary Part Number	E4156
Item Name	Pump Unit,rotary
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status	ACTIVE

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 Items 1

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

4320-01-234-6967 POSSIBLE MATCH

PUMP UNIT,ROTARY

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
E4156 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E4156 W-215N PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Related Parts

4320-01-234-6967POSSIBLE MATCH

PUMP UNIT,ROTARY

Frequently Asked Questions

What is NSN 4320-01-233-5852?

NSN 4320-01-233-5852 is a Pump Unit,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-233-5852?

NSN 4320-01-233-5852 has 2 manufacturer part numbers on file: E4156 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E4156 W-215N (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-233-5852?

1 possible match (shared part number, not a government interchangeability claim): 4320-01-234-6967. Verify interchangeability with system specifications before substitution.

What are the specifications of E4156?

Key specifications for E4156: End Item Identification: PUMP UNIT RTY 50GPM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-233-5852 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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