PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NC3030-REDBoot,dust and Moisture Seal

Apm Hexseal Corp · NSN 5340-00-682-0577 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-682-0577 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-682-0577. Primary manufacturer part number: NC3030-RED.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Width Across Flats: 0.625 INCHES NOMINAL IN
  • Sealing Method: MECHANICAL
  • Mounting Method: INTEGRAL THREADED NUT
  • Mounting Device Quantity: 1
  • Opening Inside Diameter: 0.422 INCHES NOMINAL IN
  • Material Document and Classification: ZZ-R-765,CLASS 1A,GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE BODY A
  • Test Data Document: 81349-MILB5423 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
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 5340-00-682-0577, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-682-0577
Primary Part NumberNC3030-RED
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerApm Hexseal Corp
StatusACTIVE
Width Across Flats0.625 INCHES NOMINAL IN
Sealing MethodMECHANICAL
Mounting MethodINTEGRAL THREADED NUT
Mounting Device Quantity1
Opening Inside Diameter0.422 INCHES NOMINAL IN
Material Document and ClassificationZZ-R-765,CLASS 1A,GRADE 60 FED SPEC SINGLE MATERIAL RESPONSE BODY A
Test Data Document81349-MILB5423 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Style DesignatorCLOSED END
Hazardous Locations/environmental ProtectionDUSTPROOF-NEMA TYPE 13 AND MOISTURE PROOF AND GASTIGHT
MaterialRUBBER SILICONE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-681-0581 (9167481)
HAZMATNo
Verified Substitutes 10
5340-00-681-05819167481 SUCCESSOR
Boot,dust and Moisture Seal
Us Army Aviation and Missile Command
Boot,dust and Moisture Seal
5340-00-535-9720 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-578-2717 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-755-3645 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-823-0482 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-841-1284660355-2 INTERCHANGEABLE
Boot,dust and Moisture Seal
Bae Systems Information and Electronic Systems Integration Inc.
5930-00-933-7075 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-041-3873 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-412-6919 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
NC3030-RED Apm Hexseal Corp (USA)
TYPEBSTYLE2SIZE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB19257 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-5423 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5423/07-2RED Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40152-RED Multi-Flex Seals Inc (USA)
Related Parts
SUCCESSOR 5340-00-681-0581 Boot,dust and Moisture Seal · 9167481
5340-01-097-9929SUCCESSOR
BOOT,DUST AND MOISTURE SEAL
5340-00-535-9720INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-578-2717INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-755-3645INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-823-0482INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-841-1284INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
660355-2
5930-00-933-7075INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-041-3873INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-412-6919INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5340-00-682-0577?

NSN 5340-00-682-0577 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 5340-00-682-0577?

NSN 5340-00-682-0577 has 6 cross-referenced part numbers: NC3030-RED (Apm Hexseal Corp), TYPEBSTYLE2SIZE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB19257 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-5423 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5423/07-2RED (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5340-00-682-0577?

There are 10 known substitutes for 5340-00-682-0577: 5340-00-681-0581, 5340-01-097-9929, 5340-00-535-9720 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NC3030-RED?

Key specifications for NC3030-RED: Width Across Flats: 0.625 INCHES NOMINAL IN; Sealing Method: MECHANICAL; Mounting Method: INTEGRAL THREADED NUT; Mounting Device Quantity: 1. 11 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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