PartsTable TECHNICAL DATA SHEET

NSN 4320-00-511-7121Government record, cited

Rotor, Pump4320-00-511-7121

NSN 4320-00-511-7121 · NIIN 005117121 · Part number RS1875GX1

Circor Pumps North America Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 59180

Government record, cited

NSN 4320-00-511-7121 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-511-7121. Manufacturer of record part number: RS1875GX1.

Also searched as 4320-00-511-7121 · 4320005117121 · NIIN 005117121 · 00-511-7121 · FSC 4320 Power and Hand Pumps · CAGE 59180 · RS1875GX1

Nearby stock numbers ← 4320-00-511-7120 Rotor, Pump · 4320-00-511-7122 Housing, Liquid Pump →

Features

Rotor,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Circor Pumps North America Llc

Identification

NSN: 4320-00-511-7121
NIIN: 005117121
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: RS1875GX1
Manufacturer: Circor Pumps North America Llc

General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-511-7121, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Rotor,pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Circor Pumps North America Llc (CAGE 59180)

Technical Specifications

Parameter	Value
NSN	4320-00-511-7121
Primary Part Number	RS1875GX1
Item Name	Rotor,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Circor Pumps North America 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)

Cross-Reference Index

Part Number	Manufacturer
RS1875GX1 PRIMARY	Circor Pumps North America Llc (USA)

Reference documents

Reference	Meaning
RS1875GX1	5/9 Secondary reference Siemens Energy, Inc.

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 4320-00-511-7121?

NSN 4320-00-511-7121 is a Rotor,pump, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-511-7121?

NSN 4320-00-511-7121 has 1 manufacturer part number on file: RS1875GX1 (Circor Pumps North America Llc).

Is NSN 4320-00-511-7121 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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