PartsTable TECHNICAL DATA SHEET

NSN 4320-01-188-1906Government record, cited

Guide, Head, Valve Pump4320-01-188-1906

NSN 4320-01-188-1906 · NIIN 011881906

FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4320-01-188-1906 · 4320011881906 · NIIN 011881906 · 01-188-1906 · FSC 4320 Power and Hand Pumps · DX-125647 · DY-127729 ITEM 12.1 · 706323-01 · 706323-01 · 706323-1

Nearby stock numbers ← 4320-01-188-1905 Connector, Drain, Pump · 4320-01-188-1907 Stand, Cross Pump →

Features

Guide,head,valve Pump — FSC 4320

Identification

NSN: 4320-01-188-1906
NIIN: 011881906
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Guide,head,valve Pump, cataloged under National Stock Number 4320-01-188-1906, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Guide,head,valve Pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)

Technical Specifications

Parameter	Value
NSN	4320-01-188-1906
Item Name	Guide,head,valve Pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
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 9

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

4320-01-188-1907727740 POSSIBLE MATCH

STAND,CROSS PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1908727738 POSSIBLE MATCH

LEVER,PISTON

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1909727743-02 POSSIBLE MATCH

SPOOL,PISTON ROD

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1910727746-00 POSSIBLE MATCH

INDICATOR,STROKE

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4730-01-188-1911385251-00 POSSIBLE MATCH

FLANGE,PIPE,BLIND

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1913725643 POSSIBLE MATCH

BODY,LIQUID PISTON,PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1914725643-01 POSSIBLE MATCH

FOLLOWER,LIQUID PISTON,PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1915727734 POSSIBLE MATCH

STUFFING BOX,LIQUID PISTON ROD

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-188-1918727747 POSSIBLE MATCH

HEAD,STEAM CHEST,PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
DX-125647	D/9 Drawing number reference only U.S. Government activity
DY-127729 ITEM 12.1	5/9 Secondary reference U.S. Government activity
706323-01	3/9 Design control — primary reference U.S. Government activity
706323-01	C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd
706323-1	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
DY-127729 ITEM 12.1	C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd
DY-127729	D/9 Drawing number reference only U.S. Government activity

Related Parts

4320-01-188-1907POSSIBLE MATCH

STAND,CROSS PUMP

727740

4320-01-188-1908POSSIBLE MATCH

LEVER,PISTON

727738

4320-01-188-1909POSSIBLE MATCH

SPOOL,PISTON ROD

727743-02

4320-01-188-1910POSSIBLE MATCH

INDICATOR,STROKE

727746-00

4730-01-188-1911POSSIBLE MATCH

FLANGE,PIPE,BLIND

385251-00

4320-01-188-1913POSSIBLE MATCH

BODY,LIQUID PISTON,PUMP

725643

4320-01-188-1914POSSIBLE MATCH

FOLLOWER,LIQUID PISTON,PUMP

725643-01

4320-01-188-1915POSSIBLE MATCH

STUFFING BOX,LIQUID PISTON ROD

727734

4320-01-188-1918POSSIBLE MATCH

HEAD,STEAM CHEST,PUMP

727747

Frequently Asked Questions

What is NSN 4320-01-188-1906?

NSN 4320-01-188-1906 is a Guide,head,valve Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.

What NSN replaces 4320-01-188-1906?

9 possible matches (shared part number, not a government interchangeability claim): 4320-01-188-1907, 4320-01-188-1908, 4320-01-188-1909. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-188-1906 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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