PartsTable TECHNICAL DATA SHEET

NSN 4320-01-372-8245Government record, cited

Impeller, Pump, Centrifugal4320-01-372-8245

NSN 4320-01-372-8245 · NIIN 013728245 · Part number 2HE520

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

Government record, cited

NSN 4320-01-372-8245 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-372-8245. Manufacturer of record part number: 2HE520.

Also searched as 4320-01-372-8245 · 4320013728245 · NIIN 013728245 · 01-372-8245 · FSC 4320 Power and Hand Pumps · CAGE 75Q65 · 2HE520 · 8375 1304R

Nearby stock numbers ← 4320-01-372-8153 Parts Kit, Rotary Pump · 4320-01-372-8375 Seal Assembly, Shaft, Spring Loade →

Features

Impeller,pump,centrifugal — FSC 4320
Mounting Method: STUD(S)
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4320-01-372-8245
NIIN: 013728245
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 2HE520
Manufacturer: Oshkosh Defense Llc

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-372-8245, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-01-372-8245
Primary Part Number	2HE520
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE
Mounting Method	STUD(S)

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
2HE520 PRIMARY	Oshkosh Defense Llc (USA)
8375 1304R PRIMARY	The Gorman-Rupp Company Div Gorman-Rupp (USA)

Reference documents

Reference	Meaning
2HE520	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 4320-01-372-8245?

NSN 4320-01-372-8245 is a Impeller,pump,centrifugal, manufactured by Oshkosh Defense Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-372-8245?

NSN 4320-01-372-8245 has 2 manufacturer part numbers on file: 2HE520 (Oshkosh Defense Llc), 8375 1304R (The Gorman-Rupp Company Div Gorman-Rupp).

What are the specifications of 2HE520?

Key specifications for 2HE520: Mounting Method: STUD(S); Special Features: PART OF ROTARY PUMP,4320-01-297-0548, CONNECTION TYPE OF 0.250 IN KEYWAY IN; End Item Identification: TRUCK,TANK;2320-01-239-5371. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-372-8245 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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