PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5677Plug,vent

Amfs American Fleet Services · NSN 5340-01-066-5406 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-066-5406 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-066-5406. Primary manufacturer part number: 5677.
Features
  • Plug,vent — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Amfs American Fleet Services
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug,vent, cataloged under National Stock Number 5340-01-066-5406, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Amfs American Fleet Services. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NamePlug,vent
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersAmfs American Fleet Services (CAGE 0L8N4)
Technical Specifications
ParameterValue
NSN5340-01-066-5406
Primary Part Number5677
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAmfs American Fleet Services
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
3110-00-155-9143 INTERCHANGEABLE
Bearing,ball,thrust
2805-00-374-4173 INTERCHANGEABLE
Retainer,valve Spri
5315-00-465-24535677 INTERCHANGEABLE
Pin
Eaton Aerospace, Llc Dba Jackson South
2805-00-696-6937 INTERCHANGEABLE
Oil Pan
4820-00-986-42485677 INTERCHANGEABLE
Valve,vent
Mcneil Ohio Corp
6625-01-370-19785677 INTERCHANGEABLE
Lead Set,test
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
5677 PRIMARY Amfs American Fleet Services (USA)
Related Parts
3110-00-155-9143INTERCHANGEABLE
BEARING,BALL,THRUST
2805-00-374-4173INTERCHANGEABLE
RETAINER,VALVE SPRI
5315-00-465-2453INTERCHANGEABLE
PIN
5677
2805-00-696-6937INTERCHANGEABLE
OIL PAN
4820-00-986-4248INTERCHANGEABLE
VALVE,VENT
5677
6625-01-370-1978INTERCHANGEABLE
LEAD SET,TEST
5677

Frequently Asked Questions

What is NSN 5340-01-066-5406?

NSN 5340-01-066-5406 is a Plug,vent, manufactured by Amfs American Fleet Services, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-066-5406?

NSN 5340-01-066-5406 has 1 cross-referenced part number: 5677 (Amfs American Fleet Services).

What NSN replaces 5340-01-066-5406?

There are 6 known substitutes for 5340-01-066-5406: 3110-00-155-9143, 2805-00-374-4173, 5315-00-465-2453 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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