Piston, Pump4320-01-334-8696

NSN 4320-01-334-8696 · NIIN 013348696 · Part number 5263886

Idsc Holdings Dba Equiserv Dba Equiserv · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 50492

Government record, cited

NSN 4320-01-334-8696 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-334-8696. Manufacturer of record part number: 5263886.

Also searched as 4320-01-334-8696 · 4320013348696 · NIIN 013348696 · 01-334-8696 · FSC 4320 Power and Hand Pumps · CAGE 50492 · 5263886

Nearby stock numbers ← 4320-01-334-8665 Connector, Fluid, Pump · 4320-01-334-8697 Impeller, Pump, Centrifugal →

Features

Piston,pump — FSC 4320
Integral Connecting Rod: NOT INCLUDED
Surface Finish: FINISHED
Diameter: 2.250 INCHES NOMINAL IN
Pin: NOT INCLUDED
Oil Groove: NOT INCLUDED
Head Style: FLAT
Finished Size Designation: STANDARD

Identification

NSN: 4320-01-334-8696
NIIN: 013348696
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 5263886
Manufacturer: Idsc Holdings Dba Equiserv Dba Equiserv

General Description

The Piston,pump, cataloged under National Stock Number 4320-01-334-8696, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Idsc Holdings Dba Equiserv Dba Equiserv. Government technical data includes 11 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

Parameter	Value
NSN	4320-01-334-8696
Primary Part Number	5263886
Item Name	Piston,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Idsc Holdings Dba Equiserv Dba Equiserv
Status	ACTIVE
Integral Connecting Rod	NOT INCLUDED
Surface Finish	FINISHED
Diameter	2.250 INCHES NOMINAL IN
Pin	NOT INCLUDED
Oil Groove	NOT INCLUDED
Head Style	FLAT
Finished Size Designation	STANDARD
Ring	NOT INCLUDED
Surface Treatment	CHROMATE
Pin Hole Bushing	NOT INCLUDED
Material	STEEL

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

Cross-Reference Index

Part Number	Manufacturer
5263886 PRIMARY	Idsc Holdings Dba Equiserv Dba Equiserv (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 4320-01-334-8696?

NSN 4320-01-334-8696 is a Piston,pump, manufactured by Idsc Holdings Dba Equiserv Dba Equiserv, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-334-8696?

NSN 4320-01-334-8696 has 1 manufacturer part number on file: 5263886 (Idsc Holdings Dba Equiserv Dba Equiserv).

What are the specifications of 5263886?

Key specifications for 5263886: Integral Connecting Rod: NOT INCLUDED; Surface Finish: FINISHED; Diameter: 2.250 INCHES NOMINAL IN; Pin: NOT INCLUDED. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-334-8696 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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