PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55508Parts Kit,water Sys

Air Techniques, Inc. · NSN 6520-01-421-5550 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-421-5550 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-421-5550. Primary manufacturer part number: 55508.
Features
  • Parts Kit,water Sys — FSC 6520
  • 3 verified cross-references
  • Primary manufacturer: Air Techniques, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,water Sys, cataloged under National Stock Number 6520-01-421-5550, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-421-5550
Primary Part Number55508
Item NameParts Kit,water Sys
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerAir Techniques, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
3110-00-156-7887 INTERCHANGEABLE
Bearing,ball,annular
5930-00-322-5598SM-B-187088 INTERCHANGEABLE
Push Button
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2910-01-097-0276 INTERCHANGEABLE
Pump,fuel,cam Actuated
6680-01-200-357355508 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
4720-01-494-787955508 INTERCHANGEABLE
Hose Assembly,nonmetallic
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
LLH400230 Naval Medical Material Support Command Detachment (USA)
NAVY 1993 3168 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
55508 PRIMARY Air Techniques, Inc. (USA)
Related Parts
3110-00-156-7887INTERCHANGEABLE
BEARING,BALL,ANNULAR
5930-00-322-5598INTERCHANGEABLE
PUSH BUTTON
SM-B-187088
2910-01-097-0276INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
6680-01-200-3573INTERCHANGEABLE
SWITCH,LIQUID LEVEL
55508
4720-01-494-7879INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
55508

Frequently Asked Questions

What is NSN 6520-01-421-5550?

NSN 6520-01-421-5550 is a Parts Kit,water Sys, manufactured by Air Techniques, Inc., classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-421-5550?

NSN 6520-01-421-5550 has 3 cross-referenced part numbers: LLH400230 (Naval Medical Material Support Command Detachment), NAVY 1993 3168 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 55508 (Air Techniques, Inc.).

What NSN replaces 6520-01-421-5550?

There are 5 known substitutes for 6520-01-421-5550: 3110-00-156-7887, 5930-00-322-5598, 2910-01-097-0276 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55508?

Key specifications for 55508: Part Name Assigned by Controlling Agency: PARTS KIT WATER SYS. 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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