PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4082Boot,dust and Moisture Seal

Apm Hexseal Corp · NSN 5340-00-201-8826 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-201-8826 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-201-8826. Primary manufacturer part number: 4082.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Mounting Method: NUT(S)
  • Nominal Thread Size: 0.687 INCHES IN
  • Mounting Device Quantity: 1
  • Thread Series: UNS
  • Body Outside Diameter: 1.000 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Base Thread Location: INTERNAL
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 5340-00-201-8826, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Apm Hexseal Corp. Government technical data includes 11 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
NSN5340-00-201-8826
Primary Part Number4082
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerApm Hexseal Corp
StatusACTIVE
Mounting MethodNUT(S)
Nominal Thread Size0.687 INCHES IN
Mounting Device Quantity1
Thread SeriesUNS
Body Outside Diameter1.000 INCHES NOMINAL IN
Thread Quantity Per Inch32
Base Thread LocationINTERNAL
MaterialRUBBER SILICONE BODY
FSC Application DataCONTROL,COMMANDERS,LASER RANGING
Thread Class2B
Style DesignatorCLOSED END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Clamp,loop
9540-00-147-6276 INTERCHANGEABLE
Angle,structural
5940-00-177-79234082 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
4730-00-541-90812045-6-6S INTERCHANGEABLE
Coupling,pipe
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
9540-00-580-6338 INTERCHANGEABLE
Angle,structural
6210-00-782-75954082 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5835-01-017-74864082 INTERCHANGEABLE
Recorder-Reproducer Assembly,sou
Dictaphone Corporation
7045-01-034-56804082 INTERCHANGEABLE
Tape Cassette
Data General Corporation
5962-01-086-9590C10650-1 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5962-01-086-9598 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
4082 PRIMARY Apm Hexseal Corp (USA)
1857086-2 Northrop Grumman Systems Corporation (USA)
11737499 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
43708973-905 Honeywell Regelsysteme Gmbh Geschaftsbereich Sondertechnik (DEU)
Related Parts
5340-00-486-2934SUCCESSOR
CLAMP,LOOP
9540-00-147-6276INTERCHANGEABLE
ANGLE,STRUCTURAL
5940-00-177-7923INTERCHANGEABLE
TERMINAL,LUG
4082
4730-00-541-9081INTERCHANGEABLE
COUPLING,PIPE
2045-6-6S
9540-00-580-6338INTERCHANGEABLE
ANGLE,STRUCTURAL
6210-00-782-7595INTERCHANGEABLE
LENS,LIGHT
4082
5835-01-017-7486INTERCHANGEABLE
RECORDER-REPRODUCER ASSEMBLY,SOU
4082
7045-01-034-5680INTERCHANGEABLE
TAPE CASSETTE
4082
5962-01-086-9590INTERCHANGEABLE
MICROCIRCUIT,LINEAR
C10650-1
5962-01-086-9598INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
7910-01-136-5852INTERCHANGEABLE
FILTER BAG,VACUUM CLEANER
4082
4820-01-203-1122INTERCHANGEABLE
VALVE,CHECK
3C16-10-15

Frequently Asked Questions

What is NSN 5340-00-201-8826?

NSN 5340-00-201-8826 is a Boot,dust and Moisture Seal, manufactured by Apm Hexseal Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-201-8826?

NSN 5340-00-201-8826 has 4 cross-referenced part numbers: 4082 (Apm Hexseal Corp), 1857086-2 (Northrop Grumman Systems Corporation), 11737499 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 43708973-905 (Honeywell Regelsysteme Gmbh Geschaftsbereich Sondertechnik).

What NSN replaces 5340-00-201-8826?

There are 12 known substitutes for 5340-00-201-8826: 5340-00-486-2934, 9540-00-147-6276, 5940-00-177-7923 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4082?

Key specifications for 4082: Mounting Method: NUT(S); Special Features: ALUMINUM INTEGRAL COUPLING NUT; Nominal Thread Size: 0.687 INCHES IN; Overall Height: 0.750 INCHES NOMINAL IN. 13 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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