PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS90376-40YCap,protective,dust and Moisture

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-540-2674 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-540-2674 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-540-2674. Primary manufacturer part number: MS90376-40Y.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Material Document and Classification: L-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Tube Outside Diameter for Which Designed: 2.370 INCHES MINIMUM AND 2.390 INCHES MAXIMUM IN
  • Round Cap Outside Surface Condition: SMOOTH
  • Inside Diameter Length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
  • Design Type: FRICTION
  • Overall Diameter: 2.569 INCHES MINIMUM AND 2.631 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-540-2674, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-540-2674
Primary Part NumberMS90376-40Y
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Material Document and ClassificationL-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE
MaterialPLASTIC, POLYETHYLENE (PP)
Tube Outside Diameter for Which Designed2.370 INCHES MINIMUM AND 2.390 INCHES MAXIMUM IN
Round Cap Outside Surface ConditionSMOOTH
Inside Diameter Length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Design TypeFRICTION
Overall Diameter2.569 INCHES MINIMUM AND 2.631 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-193-0783 (M85049/138-36A)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-00-193-0783M85049/138-36A SUCCESSOR
Cap,protective,dust and Moisture
Sae International Dba Sae International
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
5340-01-044-0984NAS844-32 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS90376-40Y Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS90376 Sae International Dba Sae International (USA)
AS90376 Society of Automotive Engineers Inc (USA)
Related Parts
SUCCESSOR 5340-00-193-0783 Cap,protective,dust and Moisture · M85049/138-36A
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
5340-01-146-9729SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR

Frequently Asked Questions

What is NSN 5340-00-540-2674?

NSN 5340-00-540-2674 is a Cap,protective,dust and Moisture, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-540-2674?

NSN 5340-00-540-2674 has 4 cross-referenced part numbers: MS90376-40Y (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS90376 (Sae International Dba Sae International), AS90376 (Society of Automotive Engineers Inc).

What NSN replaces 5340-00-540-2674?

There are 12 known substitutes for 5340-00-540-2674: 5340-00-193-0783, 5340-00-286-4146, 5340-00-286-4161 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS90376-40Y?

Key specifications for MS90376-40Y: Material Document and Classification: L-P-390, TYPE 1, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: COLOR YELLOW; Material: PLASTIC, POLYETHYLENE (PP); Tube Outside Diameter for Which Designed: 2.370 INCHES MINIMUM AND 2.390 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-540-2674 still in active supply?

NSN 5340-00-540-2674 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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