PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5501/9-F3Cap,protective,dust and Moisture

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-840-7820 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-840-7820 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-840-7820. Primary manufacturer part number: M5501/9-F3.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: FRICTION
  • Round Cap Outside Surface Condition: SMOOTH
  • Overall Diameter: 0.219 INCHES NOMINAL IN
  • Tube Outside Diameter for Which Designed: 0.156 INCHES NOMINAL IN
  • Inside Diameter Length: 0.594 INCHES NOMINAL IN
  • Material: PLASTIC
  • 3 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-840-7820, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5340-00-840-7820
Primary Part NumberM5501/9-F3
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Design TypeFRICTION
Round Cap Outside Surface ConditionSMOOTH
Overall Diameter0.219 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed0.156 INCHES NOMINAL IN
Inside Diameter Length0.594 INCHES NOMINAL IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6130-00-093-5863
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Power Supply
5340-00-597-4480NAS844-15 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-827-0802NAS844-11 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-993-4185NAS844-14 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-044-2675NAS844-13 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-082-3003NAS844-4 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-090-8911NAS844-23 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-107-7559NAS844-5 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-168-9786NAS844-28 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-170-6662NAS844-7 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
M5501/9-F3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1704-2 Pennwalt Corp S S White Industrial Products Div (USA)
Related Parts
SUCCESSOR 6130-00-093-5863 Power Supply
5340-00-597-4480SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-15
5340-00-827-0802SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-11
5340-00-993-4185SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-14
5340-01-044-2675SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-13
5340-01-082-3003SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-4
5340-01-090-8911SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-23
5340-01-107-7559SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-5
5340-01-168-9786SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-28
5340-01-170-6662SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-7
5340-01-192-6461SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-25
5340-01-208-7825SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-18

Frequently Asked Questions

What is NSN 5340-00-840-7820?

NSN 5340-00-840-7820 is a Cap,protective,dust and Moisture, manufactured by Military Specifications Promulgated by Military Departments/agencies 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 5340-00-840-7820?

NSN 5340-00-840-7820 has 3 cross-referenced part numbers: M5501/9-F3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1704-2 (Pennwalt Corp S S White Industrial Products Div).

What NSN replaces 5340-00-840-7820?

There are 12 known substitutes for 5340-00-840-7820: 6130-00-093-5863, 5340-00-597-4480, 5340-00-827-0802 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5501/9-F3?

Key specifications for M5501/9-F3: Design Type: FRICTION; Round Cap Outside Surface Condition: SMOOTH; Overall Diameter: 0.219 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.156 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-840-7820 still in active supply?

NSN 5340-00-840-7820 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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