PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS843-5Plug,protective,dust and Moistur

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-306-1551 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-306-1551 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-306-1551. Primary manufacturer part number: NAS843-5.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Overall Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Opening Inside Diameter for Which Designed: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Design Type: FRICTION
  • 5 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Applications requiring Plastic construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-306-1551, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5340-01-306-1551
Primary Part NumberNAS843-5
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
Overall Diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
MaterialPLASTIC
Opening Inside Diameter for Which Designed0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Design TypeFRICTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-936-1807 (1041T)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-936-18071041T SUCCESSOR
Key Blank
Ilco Unican Corp Dba Wolf Sales
6105-01-053-372718050-0001 SUCCESSOR
Motor,direct Current
Honeywell International Inc Dba Honeywell
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
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
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
Cross-Reference Index
Part NumberManufacturer
NAS843-5 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M5501/8-F4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NAS847 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
K5 Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
SUCCESSOR 5340-00-936-1807 Key Blank · 1041T
5340-00-557-7704SUCCESSOR
NO ITEM NAME AVAILABLE
6105-01-053-3727SUCCESSOR
MOTOR,DIRECT CURRENT
18050-0001
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
5340-01-086-2049SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-217-2324SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS832-7
5340-01-306-5889SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-01-314-3254SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
3460-00-144-2049INTERCHANGEABLE
KEY,DRILL CHUCK
K5
5110-00-204-1566INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
K-5

Frequently Asked Questions

What is NSN 5340-01-306-1551?

NSN 5340-01-306-1551 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 5340-01-306-1551?

NSN 5340-01-306-1551 has 5 cross-referenced part numbers: NAS843-5 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), M5501/8-F4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS847 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), K5 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-01-306-1551?

There are 12 known substitutes for 5340-01-306-1551: 5340-00-557-7704, 5340-00-936-1807, 6105-01-053-3727 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS843-5?

Key specifications for NAS843-5: Overall Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Material: PLASTIC; Opening Inside Diameter for Which Designed: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN; Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-306-1551 still in active supply?

NSN 5340-01-306-1551 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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