PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11281Tool Set,condenser

Naval Inventory Control Point Mechanicsburg · NSN 4420-00-051-3521 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-00-051-3521 — this item is cataloged by the U.S. Government under National Stock Number 4420-00-051-3521. Primary manufacturer part number: 11281.
Features
  • Tool Set,condenser — FSC 4420
  • 2 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tool Set,condenser, cataloged under National Stock Number 4420-00-051-3521, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTool Set,condenser
FSC / FSG4420 — No Item Name Available (FSG 44)
ManufacturersThomas C. Wilson, Inc. Dba Thomas C Wilson (CAGE 66042); Naval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
ParameterValue
NSN4420-00-051-3521
Primary Part Number11281
Item NameTool Set,condenser
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2915-00-166-4879112-81 INTERCHANGEABLE
Vent Plug Assembly,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5975-00-194-39601128-1 INTERCHANGEABLE
Junction Box
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5305-00-206-5052 INTERCHANGEABLE
Setscrew
5120-00-222-221411281 INTERCHANGEABLE
Mallet,wood
Wta Tool Llc
1630-00-730-342211281 INTERCHANGEABLE
Cap Assy,cylinder,b
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-00-976-5905A1128-1 INTERCHANGEABLE
Coil Sleeve,upper
Emerson Electric Co Alco Controls Div
1560-00-997-250811281 INTERCHANGEABLE
Tube Assembly,bleed
Fmh Aerospace Corp.
5330-01-146-703811281 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Texas Hydraulics, Inc.
4320-01-205-9357938213-00 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5305-01-312-70281128-1 INTERCHANGEABLE
Screw,cap,socket Head
R & D Machine Rafael Anaya Div Defense Logistics Agency
Cross-Reference Index
Part NumberManufacturer
11281 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
11281 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
2915-00-166-4879INTERCHANGEABLE
VENT PLUG ASSEMBLY,PUMP
112-81
5975-00-194-3960INTERCHANGEABLE
JUNCTION BOX
1128-1
5305-00-206-5052INTERCHANGEABLE
SETSCREW
5120-00-222-2214INTERCHANGEABLE
MALLET,WOOD
11281
1630-00-730-3422INTERCHANGEABLE
CAP ASSY,CYLINDER,B
11281
4730-00-976-5905INTERCHANGEABLE
COIL SLEEVE,UPPER
A1128-1
1560-00-997-2508INTERCHANGEABLE
TUBE ASSEMBLY,BLEED
11281
5330-01-146-7038INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
11281
4320-01-205-9357INTERCHANGEABLE
RING,WEARING
938213-00
5305-01-312-7028INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1128-1
4010-01-502-2010INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
1128-1

Frequently Asked Questions

What is NSN 4420-00-051-3521?

NSN 4420-00-051-3521 is a Tool Set,condenser, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-00-051-3521?

NSN 4420-00-051-3521 has 2 cross-referenced part numbers: 11281 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 11281 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4420-00-051-3521?

There are 11 known substitutes for 4420-00-051-3521: 2915-00-166-4879, 5975-00-194-3960, 5305-00-206-5052 and 8 more. Verify interchangeability with system specifications before substitution.

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