PartsTable TECHNICAL DATA SHEET

NSN 4320-01-558-2970Government record, cited

Reservoir, Hydraulic4320-01-558-2970

NSN 4320-01-558-2970 · NIIN 015582970 · Part number 3560856

Oshkosh Defense Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 75Q65

Government record, cited

NSN 4320-01-558-2970 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-558-2970. Manufacturer of record part number: 3560856.

Also searched as 4320-01-558-2970 · 4320015582970 · NIIN 015582970 · 01-558-2970 · FSC 4320 Power and Hand Pumps · CAGE 75Q65 · 3560856

Nearby stock numbers ← 4320-01-558-2871 Pump Unit, Rotary · 4320-01-558-3283 Impeller, Pump, Centrifugal →

Features

Reservoir,hydraulic — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4320-01-558-2970
NIIN: 015582970
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 3560856
Manufacturer: Oshkosh Defense Llc

General Description

The Reservoir,hydraulic, cataloged under National Stock Number 4320-01-558-2970, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Oshkosh Defense 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Reservoir,hydraulic
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	4320-01-558-2970
Primary Part Number	3560856
Item Name	Reservoir,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Oshkosh Defense 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	X

Cross-Reference Index

Part Number	Manufacturer
3560856 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
3560856	5/9 Secondary reference Oshkosh Corp

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 4320-01-558-2970?

NSN 4320-01-558-2970 is a Reservoir,hydraulic, manufactured by Oshkosh Defense Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-558-2970?

NSN 4320-01-558-2970 has 1 manufacturer part number on file: 3560856 (Oshkosh Defense Llc).

Is NSN 4320-01-558-2970 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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