PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

833951Cap,protective,dust and Moisture

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament · NSN 5340-00-821-7306 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-821-7306 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-821-7306. Primary manufacturer part number: 833951.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Tube Outside Diameter for Which Designed: 1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
  • Design Type: FRICTION
  • Material: PLASTIC
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Round Cap Outside Surface Condition: SMOOTH
  • Overall Diameter: 2.125 INCHES NOMINAL IN
  • Inside Diameter Length: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-821-7306, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-821-7306
Primary Part Number833951
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
StatusCANCELLED
Tube Outside Diameter for Which Designed1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
Design TypeFRICTION
MaterialPLASTIC
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Round Cap Outside Surface ConditionSMOOTH
Overall Diameter2.125 INCHES NOMINAL IN
Inside Diameter Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5340-01-065-6733M85049/138-63A SUCCESSOR
Cap,protective,dust and Moisture
Sae International Dba Sae International
3110-00-100-07352689 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
833951 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
MS25177-32 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-01-065-6733SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
M85049/138-63A
3110-00-100-0735INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2689

Frequently Asked Questions

What is NSN 5340-00-821-7306?

NSN 5340-00-821-7306 is a Cap,protective,dust and Moisture, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-821-7306?

NSN 5340-00-821-7306 has 2 cross-referenced part numbers: 833951 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), MS25177-32 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-821-7306?

There are 2 known substitutes for 5340-00-821-7306: 5340-01-065-6733, 3110-00-100-0735. Verify interchangeability with system specifications before substitution.

What are the specifications of 833951?

Key specifications for 833951: Tube Outside Diameter for Which Designed: 1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN; Design Type: FRICTION; Special Features: COLOR YELLOW; Material: PLASTIC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-821-7306 still in active supply?

NSN 5340-00-821-7306 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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