PartsTable TECHNICAL DATA SHEET

NSN 4320-01-707-4783Government record, cited

Ram, Hydraulic4320-01-707-4783

NSN 4320-01-707-4783 · NIIN 017074783 · Part number 4158AS0226-1

Avioss Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 7V3W5

Government record, cited

NSN 4320-01-707-4783 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-707-4783. Manufacturer of record part number: 4158AS0226-1.

Also searched as 4320-01-707-4783 · 4320017074783 · NIIN 017074783 · 01-707-4783 · FSC 4320 Power and Hand Pumps · CAGE 7V3W5 · 4158AS0226-1

Nearby stock numbers ← 4320-01-707-4712 Pump, Inflating, Manual · 4320-01-707-5135 Piston, Pump →

Features

Ram,hydraulic — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Avioss Llc

Identification

NSN: 4320-01-707-4783
NIIN: 017074783
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 4158AS0226-1
Manufacturer: Avioss Llc

General Description

The Ram,hydraulic, cataloged under National Stock Number 4320-01-707-4783, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Avioss Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-707-4783
Primary Part Number	4158AS0226-1
Item Name	Ram,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Avioss 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)
Criticality Code	V

Cross-Reference Index

Part Number	Manufacturer
4158AS0226-1 PRIMARY	Avioss Llc (USA)

Reference documents

Reference	Meaning
4158AS0226-1	3/2 Design control — primary reference U.S. Government activity

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 4320-01-707-4783?

NSN 4320-01-707-4783 is a Ram,hydraulic, manufactured by Avioss Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-707-4783?

NSN 4320-01-707-4783 has 1 manufacturer part number on file: 4158AS0226-1 (Avioss Llc).

What are the specifications of 4158AS0226-1?

Key specifications for 4158AS0226-1: Part Name Assigned by Controlling Agency: RAM, HYDRAULIC; End Item Identification: (NON-JSL ITEMS) HELICOPTERS(H53). 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-707-4783 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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