Ring, Wearing4320-01-434-3399

NSN 4320-01-434-3399 · NIIN 014343399 · Part number 183913

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 07524

Government record, cited

NSN 4320-01-434-3399 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-434-3399. Manufacturer of record part number: 183913.

Also searched as 4320-01-434-3399 · 4320014343399 · NIIN 014343399 · 01-434-3399 · FSC 4320 Power and Hand Pumps · CAGE 07524 · 183913 · E-4684 ITEM 41

Nearby stock numbers ← 4320-01-434-3398 Guide, Spring, Pump · 4320-01-434-3401 Repair Kit, Pumping Assembly →

Features

Ring,wearing — FSC 4320
Material: IRON
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 4320-01-434-3399
NIIN: 014343399
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 183913
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-434-3399, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-434-3399
Primary Part Number	183913
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status	ACTIVE
Material	IRON

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
E-4684 ITEM 41	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
183913 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Frequently Asked Questions

What is NSN 4320-01-434-3399?

NSN 4320-01-434-3399 is a Ring,wearing, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-434-3399?

NSN 4320-01-434-3399 has 2 manufacturer part numbers on file: E-4684 ITEM 41 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 183913 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What are the specifications of 183913?

Key specifications for 183913: Special Features: USED ON DOVER/BLACKMER ROTARY VANE PUMP MODEL GPXLWN2E; End Item Identification: NAVY WEAPON SYSTEM CODE VN, BOB HOPE CLASS T-AKR 300; Material: IRON. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-434-3399 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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