NSN 4220-01-684-9174 · NIIN 016849174 · Part number 525-313
Kirby Morgan Dive Systems Inc · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 58366
Government record, cited
NSN 4220-01-684-9174 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-684-9174. Manufacturer of record part number: 525-313.
Also searched as4220-01-684-9174 ·
4220016849174 ·
NIIN 016849174 ·
01-684-9174 ·
FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 58366 · 525-313 · F8281-000005
Nearby stock numbers← 4220-01-684-9137 Parts Kit, Diving Helmet
·
4220-01-684-9197 Parts Kit, Diving Helmet →
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 525-313
Manufacturer: Kirby Morgan Dive Systems Inc
General Description
The Parts Kit,diving Helmet, cataloged under National Stock Number 4220-01-684-9174, 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 Kirby Morgan Dive Systems Inc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4220-01-684-9174
Primary Part Number
525-313
Item Name
Parts Kit,diving Helmet
FSC / FSG
4220 / 42 — Marine Lifesaving and Diving Equipment
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 4220-01-684-9174?
NSN 4220-01-684-9174 is a Parts Kit,diving Helmet, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
What part numbers are listed for NSN 4220-01-684-9174?
NSN 4220-01-684-9174 has 2 manufacturer part numbers on file: 525-313 (Kirby Morgan Dive Systems Inc), 525-313 (Amron International Inc).
What are the specifications of 525-313?
Key specifications for 525-313: Component Quantity: 22; Accessory Identifying Number: 525-313 PART NO.; Package Model Number: KM3755; Supply Items and Quantities: ORINGS 10, WASHERS 4, FLEXKNOB STEADY FLOW 1, FLEXKNOB EMERGENCY VALVE 1, 1 WAY VALVE KIT 1, SPRINGS 2, SEAT ASSY, 2, PLASTIC POLYTETRAFLUOROETHYLENEORING 1. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4220-01-684-9174 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.