Ring, Lantern4320-01-128-1601

NSN 4320-01-128-1601 · NIIN 011281601 · Part number 055D0144P050A

Circor Naval Solutions Llc Dba Warren Pumps · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63857

Government record, cited

NSN 4320-01-128-1601 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-128-1601. Manufacturer of record part number: 055D0144P050A.

Also searched as 4320-01-128-1601 · 4320011281601 · NIIN 011281601 · 01-128-1601 · FSC 4320 Power and Hand Pumps · CAGE 63857 · 055D0144P050A

Nearby stock numbers ← 4320-01-128-1496 Impeller and Shaft Sleeve · 4320-01-128-1634 Ring, Wearing →

Features

Ring,lantern — FSC 4320
Outside Diameter: 1.562 INCHES NOMINAL IN
Inside Diameter: 1.093 INCHES NOMINAL IN
Height: 0.500 INCHES NOMINAL IN
Material: PLASTIC POLYPROPYLENE OVERALL
1 manufacturer part number on file
Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps

Identification

NSN: 4320-01-128-1601
NIIN: 011281601
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 055D0144P050A
Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

General Description

The Ring,lantern, cataloged under National Stock Number 4320-01-128-1601, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-128-1601
Primary Part Number	055D0144P050A
Item Name	Ring,lantern
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	ACTIVE
Outside Diameter	1.562 INCHES NOMINAL IN
Inside Diameter	1.093 INCHES NOMINAL IN
Height	0.500 INCHES NOMINAL IN
Material	PLASTIC POLYPROPYLENE OVERALL

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
055D0144P050A PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (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 4320-01-128-1601?

NSN 4320-01-128-1601 is a Ring,lantern, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-128-1601?

NSN 4320-01-128-1601 has 1 manufacturer part number on file: 055D0144P050A (Circor Naval Solutions Llc Dba Warren Pumps).

What are the specifications of 055D0144P050A?

Key specifications for 055D0144P050A: Outside Diameter: 1.562 INCHES NOMINAL IN; Inside Diameter: 1.093 INCHES NOMINAL IN; Height: 0.500 INCHES NOMINAL IN; Material: PLASTIC POLYPROPYLENE OVERALL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-128-1601 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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