Seal Assembly, Shaft, Spring Loade4320-01-628-2180

NSN 4320-01-628-2180 · NIIN 016282180 · Part number 1842201

W S Darley & Co Div Darley Pump Division · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 5B337

Government record, cited

NSN 4320-01-628-2180 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-628-2180. Manufacturer of record part number: 1842201.

Also searched as 4320-01-628-2180 · 4320016282180 · NIIN 016282180 · 01-628-2180 · FSC 4320 Power and Hand Pumps · CAGE 5B337 · 1842201

Nearby stock numbers ← 4320-01-628-2135 Housing, Liquid Pump · 4320-01-628-2183 Rotor and Shaft Pump Assembly →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
1 manufacturer part number on file
Manufacturer of record: W S Darley & Co Div Darley Pump Division

Identification

NSN: 4320-01-628-2180
NIIN: 016282180
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 1842201
Manufacturer: W S Darley & Co Div Darley Pump Division

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-628-2180, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is W S Darley & Co Div Darley Pump Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	W S Darley & Co Div Darley Pump Division (CAGE 5B337)

Technical Specifications

Parameter	Value
NSN	4320-01-628-2180
Primary Part Number	1842201
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	W S Darley & Co Div Darley Pump Division
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
1842201 PRIMARY	W S Darley & Co Div Darley Pump Division (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 4320-01-628-2180?

NSN 4320-01-628-2180 is a Seal Assembly,shaft,spring Loade, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-628-2180?

NSN 4320-01-628-2180 has 1 manufacturer part number on file: 1842201 (W S Darley & Co Div Darley Pump Division).

Is NSN 4320-01-628-2180 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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