Ring, Wearing4320-01-644-1686

NSN 4320-01-644-1686 · NIIN 016441686 · Part number B3-095-0095

M.t. Davidson Company · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 16062

Government record, cited

NSN 4320-01-644-1686 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-644-1686. Manufacturer of record part number: B3-095-0095.

Also searched as 4320-01-644-1686 · 4320016441686 · NIIN 016441686 · 01-644-1686 · FSC 4320 Power and Hand Pumps · CAGE 16062 · B3-095-0095 · D3-433-0006 REV F ITEM 56

Nearby stock numbers ← 4320-01-644-0993 Housing, Liquid Pump · 4320-01-644-1746 Impeller, Pump, Centrifugal →

Features

Ring,wearing — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: M.t. Davidson Company

Identification

NSN: 4320-01-644-1686
NIIN: 016441686
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: B3-095-0095
Manufacturer: M.t. Davidson Company

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-644-1686, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Ring,wearing
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	M.t. Davidson Company (CAGE 16062)

Technical Specifications

Parameter	Value
NSN	4320-01-644-1686
Primary Part Number	B3-095-0095
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	M.t. Davidson Company
Status	ACTIVE

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
B3-095-0095 PRIMARY	M.t. Davidson Company (USA)
D3-433-0006 REV F ITEM 56	M.t. Davidson Company (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 4320-01-644-1686?

NSN 4320-01-644-1686 is a Ring,wearing, manufactured by M.t. Davidson Company, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-644-1686?

NSN 4320-01-644-1686 has 2 manufacturer part numbers on file: B3-095-0095 (M.t. Davidson Company), D3-433-0006 REV F ITEM 56 (M.t. Davidson Company).

Is NSN 4320-01-644-1686 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