PartsTable TECHNICAL DATA SHEET

NSN 4320-01-285-9637Government record, cited

Wheel Assembly, Bucket4320-01-285-9637

NSN 4320-01-285-9637 · NIIN 012859637 · Part number 4250

Coffin Turbo Pump Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0APJ5

Government record, cited

NSN 4320-01-285-9637 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-285-9637. Manufacturer of record part number: 4250.

Also searched as 4320-01-285-9637 · 4320012859637 · NIIN 012859637 · 01-285-9637 · FSC 4320 Power and Hand Pumps · CAGE 0APJ5 · 4250

Nearby stock numbers ← 4320-01-285-9636 Governor Assembly, Trip · 4320-01-285-9638 →

Features

Wheel Assembly,bucket — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Coffin Turbo Pump Inc

Identification

NSN: 4320-01-285-9637
NIIN: 012859637
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 4250
Manufacturer: Coffin Turbo Pump Inc

General Description

The Wheel Assembly,bucket, cataloged under National Stock Number 4320-01-285-9637, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Coffin Turbo Pump Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-285-9637
Primary Part Number	4250
Item Name	Wheel Assembly,bucket
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Coffin Turbo Pump Inc
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
4250 PRIMARY	Coffin Turbo Pump Inc (USA)

Reference documents

Reference	Meaning
4250	5/9 Secondary reference Fmc Corp Turbo Pump Operation

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 4320-01-285-9637?

NSN 4320-01-285-9637 is a Wheel Assembly,bucket, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-285-9637?

NSN 4320-01-285-9637 has 1 manufacturer part number on file: 4250 (Coffin Turbo Pump Inc).

What are the specifications of 4250?

Key specifications for 4250: End Item Identification: COFFIN TURBO PUMP CO,MODELS CG AND F. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-285-9637 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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