PartsTable TECHNICAL DATA SHEET

NSN 4220-01-239-7537Government record, cited

Handle4220-01-239-7537

NSN 4220-01-239-7537 · NIIN 012397537 · Part number 300-528P6

Biomarine Inc · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 52032

Government record, cited

NSN 4220-01-239-7537 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-239-7537. Manufacturer of record part number: 300-528P6.

Also searched as 4220-01-239-7537 · 4220012397537 · NIIN 012397537 · 01-239-7537 · FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 52032 · 300-528P6 · 6521S

Nearby stock numbers ← 4220-01-239-7536 Adapter, Shaft · 4220-01-239-7538 →

Features

Handle — FSC 4220
1 manufacturer part number on file
Manufacturer of record: Biomarine Inc

Identification

NSN: 4220-01-239-7537
NIIN: 012397537
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 300-528P6
Manufacturer: Biomarine Inc

General Description

The Handle, cataloged under National Stock Number 4220-01-239-7537, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Biomarine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4220-01-239-7537
Primary Part Number	300-528P6
Item Name	Handle
FSC / FSG	4220 / 42 — Marine Lifesaving and Diving Equipment
Manufacturer	Biomarine 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
300-528P6	Biomarine Inc (USA)

Reference documents

Reference	Meaning
6521S	3/9 Design control — primary reference Harsco Corp Sherwood Div
300-528P6	5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip

No interchangeability data on file.

Other items in FSC 4220 — Marine Lifesaving and Diving Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4220-00-004-8880

4220-00-004-8880 · Item name not on file

4220-00-009-2854

DIVING EQUIPMENT SET

4220-00-012-3571

INFLATION ASSEMBLY,LIFE JACKET

4220-00-014-0183

4220-00-014-0183 · Item name not on file

4220-00-014-2097

CARTRIDGE,COMPRESSED GAS

4220-00-021-4979

COVER,RAFT

4220-00-021-9688

LANYARD ASSEMBLY

4220-00-022-1014

4220-00-022-1014 · Item name not on file

Frequently Asked Questions

What is NSN 4220-01-239-7537?

NSN 4220-01-239-7537 is a Handle, manufactured by Biomarine Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.

What part numbers are listed for NSN 4220-01-239-7537?

NSN 4220-01-239-7537 has 1 manufacturer part number on file: 300-528P6 (Biomarine Inc).

What are the specifications of 300-528P6?

Key specifications for 300-528P6: End Item Identification: 4220-01-101-6899. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4220-01-239-7537 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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