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NSN 4320-01-525-9709Government record, cited

Parts Kit, Rotary Pump4320-01-525-9709

NSN 4320-01-525-9709 · NIIN 015259709 · Part number 253-3922

Caterpillar Inc Div Caterpillar Defense · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 11083

Government record, cited

NSN 4320-01-525-9709 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-525-9709. Manufacturer of record part number: 253-3922.

Also searched as 4320-01-525-9709 · 4320015259709 · NIIN 015259709 · 01-525-9709 · FSC 4320 Power and Hand Pumps · CAGE 11083 · 253-3922 · 230-4206 · 230-4206

Nearby stock numbers ← 4320-01-525-9697 Valve Head, Hydraulic Motor-Pump · 4320-01-525-9731 →

Features

Parts Kit,rotary Pump — FSC 4320
Document Type: PARTS LIST
Document Identification: SMCS-5073
Component Document Origin: INDUSTRIAL
Document Source: 11083
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4320-01-525-9709
NIIN: 015259709
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 253-3922
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Parts Kit,rotary Pump, cataloged under National Stock Number 4320-01-525-9709, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-525-9709
Primary Part Number	253-3922
Item Name	Parts Kit,rotary Pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Document Type	PARTS LIST
Document Identification	SMCS-5073
Component Document Origin	INDUSTRIAL
Document Source	11083

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
253-3922 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
230-4206	5/9 Secondary reference Caterpillar of Australia Pty Ltd
230-4206	5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense

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 4320-01-525-9709?

NSN 4320-01-525-9709 is a Parts Kit,rotary Pump, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-525-9709?

NSN 4320-01-525-9709 has 1 manufacturer part number on file: 253-3922 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 253-3922?

Key specifications for 253-3922: Document Type: PARTS LIST; Document Identification: SMCS-5073; Component Document Origin: INDUSTRIAL; Document Source: 11083. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-525-9709 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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