Piston, Pump Actuator4320-00-993-7287

NSN 4320-00-993-7287 · NIIN 009937287 · Part number 294525

Eaton Aerospace, Llc Dba Jackson South · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 62983

Government record, cited

NSN 4320-00-993-7287 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-993-7287. Manufacturer of record part number: 294525.

Also searched as 4320-00-993-7287 · 4320009937287 · NIIN 009937287 · 00-993-7287 · FSC 4320 Power and Hand Pumps · CAGE 62983 · 294525

Nearby stock numbers ← 4320-00-993-6833 Seal Assembly, Shaft, Spring Loade · 4320-00-993-7341 →

Features

Piston,pump Actuator — FSC 4320
General Characteristics Item Description: STEEL,1.668 TO 1.682 IN. O/A LG,0.781 IN. O/A OD,0.312 IN. ID IN
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South

Identification

NSN: 4320-00-993-7287
NIIN: 009937287
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 294525
Manufacturer: Eaton Aerospace, Llc Dba Jackson South

General Description

The Piston,pump Actuator, cataloged under National Stock Number 4320-00-993-7287, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 specification, 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	4320-00-993-7287
Primary Part Number	294525
Item Name	Piston,pump Actuator
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Eaton Aerospace, Llc Dba Jackson South
Status	ACTIVE
General Characteristics Item Description	STEEL,1.668 TO 1.682 IN. O/A LG,0.781 IN. O/A OD,0.312 IN. ID IN

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
294525 PRIMARY	Eaton Aerospace, Llc Dba Jackson South (USA)

Frequently Asked Questions

What is NSN 4320-00-993-7287?

NSN 4320-00-993-7287 is a Piston,pump Actuator, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-993-7287?

NSN 4320-00-993-7287 has 1 manufacturer part number on file: 294525 (Eaton Aerospace, Llc Dba Jackson South).

What are the specifications of 294525?

Key specifications for 294525: General Characteristics Item Description: STEEL,1.668 TO 1.682 IN. O/A LG,0.781 IN. O/A OD,0.312 IN. ID IN; End Item Identification: 4320001157595 PUMP,AXIAL PISTON HYDRAULIC SYS A7 AIRCRAFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-00-993-7287 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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