Ring, Wearing4320-01-661-4539

NSN 4320-01-661-4539 · NIIN 016614539 · Part number 552619

Calgon Carbon Uv Technologies Llc Dba Hyde Marine · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 29899

Government record, cited

NSN 4320-01-661-4539 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-661-4539. Manufacturer of record part number: 552619.

Also searched as 4320-01-661-4539 · 4320016614539 · NIIN 016614539 · 01-661-4539 · FSC 4320 Power and Hand Pumps · CAGE 29899 · 552619

Nearby stock numbers ← 4320-01-661-4403 Connector, Fluid, Pump · 4320-01-661-4845 Connector, Fluid, Pump →

Features

Ring,wearing — FSC 4320
Material: CERAMIC AND STEEL
1 manufacturer part number on file
Manufacturer of record: Calgon Carbon Uv Technologies Llc Dba Hyde Marine

Identification

NSN: 4320-01-661-4539
NIIN: 016614539
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 552619
Manufacturer: Calgon Carbon Uv Technologies Llc Dba Hyde Marine

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-661-4539, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. Government technical data includes 1 specification, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-661-4539
Primary Part Number	552619
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Calgon Carbon Uv Technologies Llc Dba Hyde Marine
Status	ACTIVE
Material	CERAMIC AND STEEL

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
552619 PRIMARY	Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)

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 4320-01-661-4539?

NSN 4320-01-661-4539 is a Ring,wearing, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-661-4539?

NSN 4320-01-661-4539 has 1 manufacturer part number on file: 552619 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).

What are the specifications of 552619?

Key specifications for 552619: Part Name Assigned by Controlling Agency: MECHANICAL SEAL; End Item Identification: BACKFLUSH PUMP; Material: CERAMIC AND STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-661-4539 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.

PartsTable Design LLC · partstable.com