PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS90376-10YCap,protective,dust and Moisture

Sae International Dba Sae International · NSN 5340-00-449-4491 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-449-4491 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-449-4491. Primary manufacturer part number: MS90376-10Y.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Material: PLASTIC
  • Inside Diameter Length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
  • Tube Outside Diameter for Which Designed: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
  • Round Cap Outside Surface Condition: SMOOTH
  • Design Type: FRICTION
  • Overall Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
  • 10 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-449-4491, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: HD.

Technical Specifications
ParameterValue
NSN5340-00-449-4491
Primary Part NumberMS90376-10Y
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialPLASTIC
Inside Diameter Length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Tube Outside Diameter for Which Designed0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
Round Cap Outside Surface ConditionSMOOTH
Design TypeFRICTION
Overall Diameter0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueHD
Verified Substitutes 12
No Item Name Available
Strap,retaining
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
5340-00-514-2434NAS844-12 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-531-4008NAS834-264 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cap,protective,dust and Moisture
5340-00-727-4778CD12 SUCCESSOR
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5340-01-039-0334NAS834-75 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-039-3978NAS836-6 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS90376-10Y Sae International Dba Sae International (USA)
MS90376-10Y Hapco, Inc (USA)
MS90376-10Y Society of Automotive Engineers Inc (USA)
MS90376-10Y Right Find Inc Dba Right Find Inc (USA)
MS90376-10Y Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
701-1910 Societe De Marquage Et De Signalisation (nec Aero) (FRA)
MIL-C-5501 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
150-0754-050 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
19-200-01 Caplugs Llc Dba Mokon Div Caplugs (USA)
494115001200 Leonardo Spa Divisione Sistemi Di Difesa (ITA)
Related Parts
5340-00-056-6710SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-047-2416SUCCESSOR
STRAP,RETAINING
5340-00-286-4146SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-286-4161SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-514-2434SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-12
5340-00-531-4008SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-264
5340-00-597-4502SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
5340-00-727-4778SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
CD12
5340-01-039-0334SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-75
5340-01-039-3978SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-6
5340-01-044-0984SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-32
5340-01-073-5434SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS845-7

Frequently Asked Questions

What is NSN 5340-00-449-4491?

NSN 5340-00-449-4491 is a Cap,protective,dust and Moisture, manufactured by Sae International Dba Sae International, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-449-4491?

NSN 5340-00-449-4491 has 10 cross-referenced part numbers: MS90376-10Y (Sae International Dba Sae International), MS90376-10Y (Hapco, Inc), MS90376-10Y (Society of Automotive Engineers Inc), MS90376-10Y (Right Find Inc Dba Right Find Inc), MS90376-10Y (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5340-00-449-4491?

There are 12 known substitutes for 5340-00-449-4491: 5340-00-056-6710, 5340-00-047-2416, 5340-00-286-4146 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS90376-10Y?

Key specifications for MS90376-10Y: Material: PLASTIC; Inside Diameter Length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Tube Outside Diameter for Which Designed: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN; Round Cap Outside Surface Condition: SMOOTH. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-449-4491 still in active supply?

NSN 5340-00-449-4491 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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