PartsTable TECHNICAL DATA SHEET

NSN 4320-01-062-2604Government record, cited

Ring, Wearing4320-01-062-2604

NSN 4320-01-062-2604 · NIIN 010622604 · Part number 55-22052-190S

Euramco Safety Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 52081

Government record, cited

NSN 4320-01-062-2604 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-062-2604. Manufacturer of record part number: 55-22052-190S.

Also searched as 4320-01-062-2604 · 4320010622604 · NIIN 010622604 · 01-062-2604 · FSC 4320 Power and Hand Pumps · CAGE 52081 · 55-22052-190S · B182A

Nearby stock numbers ← 4320-01-062-2603 Ring, Wearing · 4320-01-062-2816 →

Features

Ring,wearing — FSC 4320
Material: COPPER ALLOY AND NICKEL ALLOY
1 manufacturer part number on file
Manufacturer of record: Euramco Safety Inc

Identification

NSN: 4320-01-062-2604
NIIN: 010622604
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 55-22052-190S
Manufacturer: Euramco Safety Inc

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-062-2604, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Euramco Safety Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-01-062-2604
Primary Part Number	55-22052-190S
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Euramco Safety Inc
Status	ACTIVE
Material	COPPER ALLOY AND NICKEL ALLOY

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
55-22052-190S PRIMARY	Euramco Safety Inc (USA)

Reference documents

Reference	Meaning
B182A	5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps

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 4320-01-062-2604?

NSN 4320-01-062-2604 is a Ring,wearing, manufactured by Euramco Safety Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-062-2604?

NSN 4320-01-062-2604 has 1 manufacturer part number on file: 55-22052-190S (Euramco Safety Inc).

What are the specifications of 55-22052-190S?

Key specifications for 55-22052-190S: Material: COPPER ALLOY AND NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-062-2604 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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