PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS842-12APlug,protective,dust and Moistur

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-804-1220 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-804-1220 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-804-1220. Primary manufacturer part number: NAS842-12A.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Design Type: THREADED
  • Nondefinitive Spec/std Data: 1 TYPE AND C CLASS AND 12 SIZE
  • Thread Size and Series/type Designator: 1-1/16-12 UN
  • Drive Type: SERRATED
  • Material: ALUMINUM ALLOY 3003
  • Material Document and Classification: QQ-A-250/2, 0 FED SPEC SINGLE MATERIAL RESPONSE
  • Overall Diameter: 1.750 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 3003 construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-804-1220, 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-804-1220
Primary Part NumberNAS842-12A
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
Design TypeTHREADED
Nondefinitive Spec/std Data1 TYPE AND C CLASS AND 12 SIZE
Thread Size and Series/type Designator1-1/16-12 UN
Drive TypeSERRATED
MaterialALUMINUM ALLOY 3003
Material Document and ClassificationQQ-A-250/2, 0 FED SPEC SINGLE MATERIAL RESPONSE
Overall Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-01-146-9729
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-286-3506NAS834-117 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-837-9408AS90376-A1-14R SUCCESSOR
Cap,protective,dust and Moisture
Sae International Dba Sae International
5340-01-043-7078NAS834-80 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
5340-01-217-2324NAS832-7 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-804-1241NAS842-8A INTERCHANGEABLE
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-804-1243NAS842-6A INTERCHANGEABLE
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-120-9526NAS842-24A INTERCHANGEABLE
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS847 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS842-12A PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-C-5501/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC5501TYPE1CLASSCSIZE12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5340-01-146-9729 Plug,protective,dust and Moistur
5340-01-138-2169SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-286-3506SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-117
5340-00-837-9408SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
AS90376-A1-14R
5340-01-043-7078SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-80
5340-01-206-5370SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-217-2324SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS832-7
5340-00-804-1241INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS842-8A
5340-00-804-1243INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS842-6A
5340-01-120-9526INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS842-24A
5340-01-138-2170INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS838-12
5340-01-142-3085INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS838-8

Frequently Asked Questions

What is NSN 5340-00-804-1220?

NSN 5340-00-804-1220 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 5340-00-804-1220?

NSN 5340-00-804-1220 has 4 cross-referenced part numbers: NAS847 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS842-12A (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-C-5501/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC5501TYPE1CLASSCSIZE12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-804-1220?

There are 12 known substitutes for 5340-00-804-1220: 5340-01-138-2169, 5340-00-286-3506, 5340-00-837-9408 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS842-12A?

Key specifications for NAS842-12A: Design Type: THREADED; Nondefinitive Spec/std Data: 1 TYPE AND C CLASS AND 12 SIZE; Thread Size and Series/type Designator: 1-1/16-12 UN; Drive Type: SERRATED. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-804-1220 still in active supply?

NSN 5340-00-804-1220 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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