PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55099Replacement Kit,water System

Air Techniques, Inc. · NSN 6520-01-531-6025 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-531-6025 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-531-6025. Primary manufacturer part number: 55099.
Features
  • Replacement Kit,water System — FSC 6520
  • 2 verified cross-references
  • Primary manufacturer: Air Techniques, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Replacement Kit,water System, cataloged under National Stock Number 6520-01-531-6025, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Air Techniques, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-531-6025
Primary Part Number55099
Item NameReplacement Kit,water System
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerAir Techniques, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5360-00-359-177410A6473 INTERCHANGEABLE
Spring
Napco International Llc Dba Napco International Inc
5995-01-332-175855099 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
6145-01-449-295555099 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
1560-01-534-136155099 INTERCHANGEABLE
Bulkhead,aircraft
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
55099 PRIMARY Air Techniques, Inc. (USA)
LL-H56-1419 Naval Medical Material Support Command Detachment (USA)
Related Parts
5360-00-359-1774INTERCHANGEABLE
SPRING
10A6473
5995-01-332-1758INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
55099
6145-01-449-2955INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
55099
1560-01-534-1361INTERCHANGEABLE
BULKHEAD,AIRCRAFT
55099

Frequently Asked Questions

What is NSN 6520-01-531-6025?

NSN 6520-01-531-6025 is a Replacement Kit,water System, manufactured by Air Techniques, Inc., classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-531-6025?

NSN 6520-01-531-6025 has 2 cross-referenced part numbers: 55099 (Air Techniques, Inc.), LL-H56-1419 (Naval Medical Material Support Command Detachment).

What NSN replaces 6520-01-531-6025?

There are 4 known substitutes for 6520-01-531-6025: 5360-00-359-1774, 5995-01-332-1758, 6145-01-449-2955 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55099?

Key specifications for 55099: Special Features: WATER SYSTEM REPLACEMENT KIT; INCLUDES VAC BREAKER AND FLOW RESTRICTOR.; End Item Identification: FOR USE WITH VACSTAR VS80/80H WET VACUUM, NSN NSN 6520-01-506-5871. 2 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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