PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1661Jacket,buoyancy Aid

Mustang Survival Corp. · NSN 4220-01-153-2123 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-153-2123 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-153-2123. Primary manufacturer part number: 1661.
Features
  • Jacket,buoyancy Aid — FSC 4220
  • General Characteristics Item Description: DURING ROUTINE MAINTENANCE OF OCEAN TOWERS THERMO-INFLATION JACKET EXTENDS SURVIVAL TIME 1.5 TO 2 HOURS IN 40 DEG F WATER DEGF
  • 1 verified cross-reference
  • Primary manufacturer: Mustang Survival Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Jacket,buoyancy Aid, cataloged under National Stock Number 4220-01-153-2123, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Mustang Survival Corp.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-153-2123
Primary Part Number1661
Item NameJacket,buoyancy Aid
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerMustang Survival Corp.
StatusACTIVE
General Characteristics Item DescriptionDURING ROUTINE MAINTENANCE OF OCEAN TOWERS THERMO-INFLATION JACKET EXTENDS SURVIVAL TIME 1.5 TO 2 HOURS IN 40 DEG F WATER DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-155-7958 INTERCHANGEABLE
Lamp,incandescent
5996-00-267-1139 INTERCHANGEABLE
Amplifier,radio Frequency
5325-00-301-865616750481-007 INTERCHANGEABLE
Grommet,nonmetallic
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
3460-00-322-5950B74.2 TY2 C60H12V 6X1-1/8X1-1/4 INTERCHANGEABLE
Wheel,abrasive
American National Standards Institute Incorporated Dba American National Standards Institute
2520-00-563-82311661 INTERCHANGEABLE
Sleeve
Atwood Industries Inc Automotive Div
5930-00-615-81951661 INTERCHANGEABLE
Switch
Illinois Tool Works, Inc. Div Magnaflux
5950-00-646-3603 INTERCHANGEABLE
Transformer,audio Frequency
2520-00-962-2966CA1647 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Perfection Clutch
5855-01-072-88841661 INTERCHANGEABLE
Insert Lens Rotatin
Grimes Aerospace Company
5950-01-096-43331661 INTERCHANGEABLE
Coil
Crown Audio, Inc. Dba Crown International
Cross-Reference Index
Part NumberManufacturer
1661 PRIMARY Mustang Survival Corp. (CAN)
Related Parts
6240-00-155-7958INTERCHANGEABLE
LAMP,INCANDESCENT
5996-00-267-1139INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
5325-00-301-8656INTERCHANGEABLE
GROMMET,NONMETALLIC
16750481-007
3460-00-322-5950INTERCHANGEABLE
WHEEL,ABRASIVE
B74.2 TY2 C60H12V 6X1-1/8X1-1/4
2520-00-563-8231INTERCHANGEABLE
SLEEVE
1661
5930-00-615-8195INTERCHANGEABLE
SWITCH
1661
5950-00-646-3603INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2520-00-962-2966INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
CA1647
5855-01-072-8884INTERCHANGEABLE
INSERT LENS ROTATIN
1661
5950-01-096-4333INTERCHANGEABLE
COIL
1661
6520-01-120-2653INTERCHANGEABLE
IMPRESSION TRAY,DENTAL
1-661
5340-01-360-9252INTERCHANGEABLE
HANDLE,BOW

Frequently Asked Questions

What is NSN 4220-01-153-2123?

NSN 4220-01-153-2123 is a Jacket,buoyancy Aid, manufactured by Mustang Survival Corp., classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-153-2123?

NSN 4220-01-153-2123 has 1 cross-referenced part number: 1661 (Mustang Survival Corp.).

What NSN replaces 4220-01-153-2123?

There are 12 known substitutes for 4220-01-153-2123: 6240-00-155-7958, 5996-00-267-1139, 5325-00-301-8656 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1661?

Key specifications for 1661: General Characteristics Item Description: DURING ROUTINE MAINTENANCE OF OCEAN TOWERS THERMO-INFLATION JACKET EXTENDS SURVIVAL TIME 1.5 TO 2 HOURS IN 40 DEG F WATER DEGF. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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