PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

277579Plug,protective,dust and Moistur

Bvr Technologies Co. · NSN 5340-01-260-4959 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-260-4959 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-260-4959. Primary manufacturer part number: 277579.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Material: RUBBER SILICONE
  • Overall Diameter: 0.290 INCHES NOMINAL IN
  • Design Type: FRICTION
  • Material Document and Classification: ZZ-R-765, CLASS 2B, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE
  • Opening Inside Diameter for Which Designed: 0.222 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Bvr Technologies Co.
Applications
  • Applications requiring Rubber Silicone construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-260-4959, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bvr Technologies Co.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-260-4959
Primary Part Number277579
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBvr Technologies Co.
StatusACTIVE
MaterialRUBBER SILICONE
Overall Diameter0.290 INCHES NOMINAL IN
Design TypeFRICTION
Material Document and ClassificationZZ-R-765, CLASS 2B, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE
Opening Inside Diameter for Which Designed0.222 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
3020-00-809-7872G7-48 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
277579 PRIMARY Bvr Technologies Co. (USA)
Related Parts
3020-00-809-7872INTERCHANGEABLE
GEAR,SPUR
G7-48

Frequently Asked Questions

What is NSN 5340-01-260-4959?

NSN 5340-01-260-4959 is a Plug,protective,dust and Moistur, manufactured by Bvr Technologies Co., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-260-4959?

NSN 5340-01-260-4959 has 1 cross-referenced part number: 277579 (Bvr Technologies Co.).

What NSN replaces 5340-01-260-4959?

There is 1 known substitute for 5340-01-260-4959: 3020-00-809-7872. Verify interchangeability with system specifications before substitution.

What are the specifications of 277579?

Key specifications for 277579: Special Features: TWO HOLES IN TOP 0.040 IN. DIA AND 0.060 IN. DEEP IN; Material: RUBBER SILICONE; Overall Diameter: 0.290 INCHES NOMINAL IN; Design Type: FRICTION. 6 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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