PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25610Plug,vent

Parker-Hannifin Corporation Dba Control Systems Division · NSN 5340-00-621-1322 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-621-1322 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-621-1322. Primary manufacturer part number: 25610.
Features
  • Plug,vent — FSC 5340
  • Material: ALUMINUM ALLOY
  • Vent Hole Diameter: 0.188 INCHES NOMINAL IN
  • Surface Treatment: ANODIZE
  • Vent Hole Quantity: 4
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 1.250 UNEF
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Plug,vent, cataloged under National Stock Number 5340-00-621-1322, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Control Systems Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-621-1322
Primary Part Number25610
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Control Systems Division
StatusACTIVE
MaterialALUMINUM ALLOY
Vent Hole Diameter0.188 INCHES NOMINAL IN
Surface TreatmentANODIZE
Vent Hole Quantity4
Thread Length0.500 INCHES NOMINAL IN
Outside Diameter1.250 INCHES NOMINAL IN
Thread Size and Series/type Designator1.250 UNEF
Inside Diameter0.440 INCHES NOMINAL IN
Vent Hole ShapeROUND
Length1.360 INCHES NOMINAL IN
Thread Class2A A
End Connection TypeTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
Faceplate,ostomy Bag
5133-00-232-2867 INTERCHANGEABLE
Drill,twist
5961-01-185-9974 INTERCHANGEABLE
Semiconductor Device,diode
3020-01-322-9235 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
25610 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
25610 Us Army Aviation and Missile Command (USA)
9194068-25 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
6515-01-083-8125SUCCESSOR
FACEPLATE,OSTOMY BAG
5133-00-232-2867INTERCHANGEABLE
DRILL,TWIST
5961-01-185-9974INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3020-01-322-9235INTERCHANGEABLE
GEAR,SPUR

Frequently Asked Questions

What is NSN 5340-00-621-1322?

NSN 5340-00-621-1322 is a Plug,vent, manufactured by Parker-Hannifin Corporation Dba Control Systems Division, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-621-1322?

NSN 5340-00-621-1322 has 3 cross-referenced part numbers: 25610 (Parker-Hannifin Corporation Dba Control Systems Division), 25610 (Us Army Aviation and Missile Command), 9194068-25 (Us Army Aviation and Missile Command).

What NSN replaces 5340-00-621-1322?

There are 4 known substitutes for 5340-00-621-1322: 6515-01-083-8125, 5133-00-232-2867, 5961-01-185-9974 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25610?

Key specifications for 25610: Material: ALUMINUM ALLOY; Vent Hole Diameter: 0.188 INCHES NOMINAL IN; Surface Treatment: ANODIZE; Vent Hole Quantity: 4. 12 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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