Quote for 21-356-500 Under Sea Industries Inc Part with NSN 4220-01-370-3830

Part Number:  21-356-500
Alternate P/N:  21356500
Manufacturer:  under sea industries inc
NIIN:  13703830
Item Name :  life preserver vest
CAGE Code:  18181
INC Code:  07794
Country:  USA
NCB Code:  01
FSG:  42 Fire Fighting Rescue and Safety Equipment
Last Updated:  02-28-2026

Are you looking quote for part 21-356-500? The Under Sea Industries Inc-manufactured component (CAGE Code: 18181) is documented under NSN 4220-01-370-3830 as Life Preserver Vest. For the fastest quote, please complete our RFQ form with details about 21-356-500. We guarantee a response within 15 minutes.

ASAP Components provides the verified 21-356-500, classified under INC 07794, FSG 42 Fire Fighting Rescue and Safety Equipment, FSC 4220 Marine Lifesaving and Diving Equipment, NIIN 01-370-3830, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

Please fill out below form for 21-356-500

“*” Required Fields Are Compulsory

Characteristics Data of NSN 4220-01-370-3830, 4220013703830

MRCCriteriaCharacteristic
ACVPFilling MaterialNYLON
MRCDecoded RequirementClear Text Reply
FEATSpecial Features1 LARGE 1.000 IN. HOSE ON LEFT LAPEL; PROVISIONS FOR SINGLE OR DUAL CO2 DETONATORS; PRESSURE RELIEF VALVE ON RIGHT TOP SHOULDER; PULL CORD FOR OPENING OF VALVE ON RIGHT FRONT LAPEL
AFFACover MaterialRUBBER, NEOPRENE
CGFMGas CylinderNOT INCLUDED
CGFPBuoyancy MethodBUOYANT MATERIAL
HUESColorGRAY AND BLACK
ALJPSize DesignationX-LARGE

Schedule B & Trade

End Use : 40050 Sports apparel and gear
Schedule B : 6307200000 (NAICS 339113) Lifejackets and lifebelts, other made-up articles, including dress patterns
SITC : 65893 Life jackets and life belts and other made-up articles, n.E.S., of textile materials

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

ASAP Semiconductor’s Certifications And Memberships



bottom to top