Circlip, Internal4320-01-593-2889

NSN 4320-01-593-2889 · NIIN 015932889 · Part number DIN 472 M100

Maryland Metrics · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 4S332

Government record, cited

NSN 4320-01-593-2889 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-593-2889. Manufacturer of record part number: DIN 472 M100.

Also searched as 4320-01-593-2889 · 4320015932889 · NIIN 015932889 · 01-593-2889 · FSC 4320 Power and Hand Pumps · CAGE 4S332 · DIN 472 M100

Nearby stock numbers ← 4320-01-593-2884 Impeller, Pump, Centrifugal · 4320-01-593-2893 Ring, Wearing →

Features

Circlip,internal — FSC 4320
General Characteristics Item Description: BORE SIZE 100MM, DIAMETER 3.0 MM MM
1 manufacturer part number on file
Manufacturer of record: Maryland Metrics

Identification

NSN: 4320-01-593-2889
NIIN: 015932889
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: DIN 472 M100
Manufacturer: Maryland Metrics

General Description

The Circlip,internal, cataloged under National Stock Number 4320-01-593-2889, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Maryland Metrics. 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	4320-01-593-2889
Primary Part Number	DIN 472 M100
Item Name	Circlip,internal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Maryland Metrics
Status	ACTIVE
General Characteristics Item Description	BORE SIZE 100MM, DIAMETER 3.0 MM MM

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
DIN 472 M100 PRIMARY	Maryland Metrics (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 4320-01-593-2889?

NSN 4320-01-593-2889 is a Circlip,internal, manufactured by Maryland Metrics, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-593-2889?

NSN 4320-01-593-2889 has 1 manufacturer part number on file: DIN 472 M100 (Maryland Metrics).

What are the specifications of DIN 472 M100?

Key specifications for DIN 472 M100: General Characteristics Item Description: BORE SIZE 100MM, DIAMETER 3.0 MM MM; End Item Identification: RETAINING RING SPRING STEEL, INTERNAL BARE STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-593-2889 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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