PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4112Boot,dust and Moisture Seal

Kirkhill, Inc. Dba Kirkhill Inc · NSN 5340-00-043-2722 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-043-2722 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-043-2722. Primary manufacturer part number: B4112.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Body Height: 2.840 INCHES NOMINAL IN
  • Opening Inside Diameter: 0.560 INCHES NOMINAL IN
  • Hazardous Locations/environmental Protection: WATERTIGHT-NEMA TYPE 4
  • Material: RUBBER SILICONE BODY
  • Style Designator: THRU-HOLE, EXPANDABLE
  • FSC Application Data: ANTENNA,RADIO,AIRBORNE
  • Material Thickness: 0.060 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Body construction
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-043-2722, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-043-2722
Primary Part NumberB4112
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKirkhill, Inc. Dba Kirkhill Inc
StatusACTIVE
Body Height2.840 INCHES NOMINAL IN
Opening Inside Diameter0.560 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionWATERTIGHT-NEMA TYPE 4
MaterialRUBBER SILICONE BODY
Style DesignatorTHRU-HOLE, EXPANDABLE
FSC Application DataANTENNA,RADIO,AIRBORNE
Material Thickness0.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5975-00-109-24421150-10 INTERCHANGEABLE
Conduit,metal,flexible
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5305-00-208-21129071936 INTERCHANGEABLE
Screw,cap,socket Head
Us Army Aviation and Missile Command
5133-00-227-5986 INTERCHANGEABLE
Drill,twist
4320-00-398-8847342023-00 INTERCHANGEABLE
Collar Assembly,valve Rod
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6625-00-801-3863 INTERCHANGEABLE
Test Set,insulation Breakdown
4140-00-861-367210625 INTERCHANGEABLE
Impeller,fan,axial
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5950-00-946-5371995552-6 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Div Rmd Strategic
5995-00-961-8526 INTERCHANGEABLE
Cord Assembly,electrical
2825-01-176-9468P12613547 INTERCHANGEABLE
Plate,guide
Fairbanks Morse, Llc
7930-01-379-56966102106 INTERCHANGEABLE
Cleaning Compound,hard Surface-F
Ecolab Inc
Cross-Reference Index
Part NumberManufacturer
B4112 PRIMARY Kirkhill, Inc. Dba Kirkhill Inc (USA)
106-25 Kirkhill Ta Haskon Div (USA)
106-25 Kirkhill Inc Div Kirkhill Inc, Haskon Division (USA)
A02ES304-1 The Boeing Company Div Defense (USA)
Related Parts
5975-00-109-2442INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
1150-10
5305-00-208-2112INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
9071936
5133-00-227-5986INTERCHANGEABLE
DRILL,TWIST
4320-00-398-8847INTERCHANGEABLE
COLLAR ASSEMBLY,VALVE ROD
342023-00
6625-00-801-3863INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
4140-00-861-3672INTERCHANGEABLE
IMPELLER,FAN,AXIAL
10625
5950-00-946-5371INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
995552-6
5995-00-961-8526INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
2825-01-176-9468INTERCHANGEABLE
PLATE,GUIDE
P12613547
7930-01-379-5696INTERCHANGEABLE
CLEANING COMPOUND,HARD SURFACE-F
6102106
6525-01-571-4904INTERCHANGEABLE
CABLE,FIBER OPTIC,COMPUTED TOMOG
453566494931
5999-01-592-9190INTERCHANGEABLE
PLATE,ELECTRICAL SHIELD
10625

Frequently Asked Questions

What is NSN 5340-00-043-2722?

NSN 5340-00-043-2722 is a Boot,dust and Moisture Seal, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-043-2722?

NSN 5340-00-043-2722 has 4 cross-referenced part numbers: B4112 (Kirkhill, Inc. Dba Kirkhill Inc), 106-25 (Kirkhill Ta Haskon Div), 106-25 (Kirkhill Inc Div Kirkhill Inc, Haskon Division), A02ES304-1 (The Boeing Company Div Defense).

What NSN replaces 5340-00-043-2722?

There are 12 known substitutes for 5340-00-043-2722: 5975-00-109-2442, 5305-00-208-2112, 5133-00-227-5986 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4112?

Key specifications for B4112: Body Height: 2.840 INCHES NOMINAL IN; Opening Inside Diameter: 0.560 INCHES NOMINAL IN; Hazardous Locations/environmental Protection: WATERTIGHT-NEMA TYPE 4; Material: RUBBER SILICONE BODY. 8 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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