PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS833-20Plug,protective,dust and Moistur

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-166-6881 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-166-6881 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-166-6881. Primary manufacturer part number: NAS833-20.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Thread Class: 2A A
  • Design Type: THREADED
  • Overall Diameter: 1.940 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Features Provided: SHOULDER
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Thread Size and Series/type Designator: 1 5/8-12 UN
Applications
  • Applications requiring Plastic construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-166-6881, 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 5 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
NSN5340-01-166-6881
Primary Part NumberNAS833-20
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class2A A
Design TypeTHREADED
Overall Diameter1.940 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
MaterialPLASTIC
Features ProvidedSHOULDER
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Thread Size and Series/type Designator1 5/8-12 UN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-286-4146
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Cross-Reference Index
Part NumberManufacturer
NAS815-200 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS833 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS833-20 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-C-5501/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5501/1-F20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5340-00-286-4146 Plug,protective,dust and Moistur
5340-00-597-9465SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-286-4161SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-682-1857SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-804-1246SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-806-9526SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-050-4861SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-157-4193SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-186-6879SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-200-3608SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-210-4079SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-439-3101SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR

Frequently Asked Questions

What is NSN 5340-01-166-6881?

NSN 5340-01-166-6881 is a Plug,protective,dust and Moistur, 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: cancelled.

What are the part numbers for NSN 5340-01-166-6881?

NSN 5340-01-166-6881 has 5 cross-referenced part numbers: NAS815-200 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS833 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS833-20 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-C-5501/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5501/1-F20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-01-166-6881?

There are 12 known substitutes for 5340-01-166-6881: 5340-00-597-9465, 5340-00-286-4146, 5340-00-286-4161 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS833-20?

Key specifications for NAS833-20: Thread Class: 2A A; Design Type: THREADED; Overall Diameter: 1.940 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Material: PLASTIC. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-166-6881 still in active supply?

NSN 5340-01-166-6881 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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