PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS835-20Cap,protective,dust and Moisture

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-298-3015 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-298-3015 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-298-3015. Primary manufacturer part number: NAS835-20.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: THREADED
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Thread Class: 2B
  • Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • Thread Size and Series/type Designator: 1-5/8-12 UN
  • Round Cap Outside Surface Condition: RIBBED
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-298-3015, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-298-3015
Primary Part NumberNAS835-20
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Design TypeTHREADED
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Thread Class2B
Tube Outside Diameter for Which Designed1.250 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Thread Size and Series/type Designator1-5/8-12 UN
Round Cap Outside Surface ConditionRIBBED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-597-4502
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cap,protective,dust and Moisture
Cross-Reference Index
Part NumberManufacturer
NAS835 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-C-5501/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS835-20 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M5501/3-R20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5340-00-597-4502 Cap,protective,dust and Moisture
5340-00-682-2119SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
5340-00-804-0767SUCCESSOR
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5340-00-804-0773SUCCESSOR
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5340-00-808-2181SUCCESSOR
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5340-01-030-4466SUCCESSOR
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5340-01-138-2166SUCCESSOR
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5340-01-138-2168SUCCESSOR
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5340-01-146-4564SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
5340-01-195-8053SUCCESSOR
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5340-01-212-1295SUCCESSOR
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5340-01-212-9411SUCCESSOR
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Frequently Asked Questions

What is NSN 5340-01-298-3015?

NSN 5340-01-298-3015 is a Cap,protective,dust and Moisture, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-298-3015?

NSN 5340-01-298-3015 has 4 cross-referenced part numbers: NAS835 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-C-5501/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS835-20 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), M5501/3-R20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-01-298-3015?

There are 12 known substitutes for 5340-01-298-3015: 5340-00-597-4502, 5340-00-682-2119, 5340-00-804-0767 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS835-20?

Key specifications for NAS835-20: Design Type: THREADED; Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE; Thread Class: 2B; Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN. 7 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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