PartsTable TECHNICAL DATA SHEET

NSN 4320-01-503-7526Government record, cited

Reducer.expander4320-01-503-7526

NSN 4320-01-503-7526 · NIIN 015037526 · Part number 8770186

Jlg Industries, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 1YHH8

Government record, cited

NSN 4320-01-503-7526 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-503-7526. Manufacturer of record part number: 8770186.

Also searched as 4320-01-503-7526 · 4320015037526 · NIIN 015037526 · 01-503-7526 · FSC 4320 Power and Hand Pumps · CAGE 1YHH8 · 8770186

Nearby stock numbers ← 4320-01-503-7447 Pump Unit, Reciprocating · 4320-01-503-7537 Pump, Rotary →

Features

Reducer.expander — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Jlg Industries, Inc.

Identification

NSN: 4320-01-503-7526
NIIN: 015037526
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 8770186
Manufacturer: Jlg Industries, Inc.

General Description

The Reducer.expander, cataloged under National Stock Number 4320-01-503-7526, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Jlg Industries, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-01-503-7526
Primary Part Number	8770186
Item Name	Reducer.expander
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Jlg Industries, Inc.
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

Cross-Reference Index

Part Number	Manufacturer
8770186	Oil-Air Products Llc Dba Oil-Air Products Llc (USA)
8770186 PRIMARY	Jlg Industries, Inc. (USA)

Reference documents

Reference	Meaning
8770186	5/9 Secondary reference Trak International

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 4320-01-503-7526?

NSN 4320-01-503-7526 is a Reducer.expander, manufactured by Jlg Industries, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-503-7526?

NSN 4320-01-503-7526 has 2 manufacturer part numbers on file: 8770186 (Oil-Air Products Llc Dba Oil-Air Products Llc), 8770186 (Jlg Industries, Inc.).

What are the specifications of 8770186?

Key specifications for 8770186: End Item Identification: 3930-01-486-2151. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-503-7526 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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