PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30105Piston,valve

Pti Technologies Inc. · NSN 4820-00-994-4191 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-994-4191 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-994-4191. Primary manufacturer part number: 30105.
Features
  • Piston,valve — FSC 4820
  • Inside Diameter: 0.385 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Pti Technologies Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-00-994-4191, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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.

Technical Specifications
ParameterValue
NSN4820-00-994-4191
Primary Part Number30105
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusCANCELLED
Inside Diameter0.385 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3950-00-399-48902618 INTERCHANGEABLE
Follower,shaft
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6650-00-403-638430105 INTERCHANGEABLE
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2520-00-752-106330-12-6 INTERCHANGEABLE
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5999-00-767-5733424895-55 INTERCHANGEABLE
Wire Mesh,knitted
Raytheon Company Dba Raytheon
5945-00-792-534257780 INTERCHANGEABLE
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Wells Mfg Co
2530-00-818-9853 INTERCHANGEABLE
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2805-00-847-173148091 INTERCHANGEABLE
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Trw Inc Trw Intl Trade Government Sales Dept
5133-00-894-5614 INTERCHANGEABLE
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3030-00-933-5356110XL037 INTERCHANGEABLE
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5310-01-051-5336 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
30105 Arvinmeritor Inc (USA)
PR306 INDEX B Arvinmeritor Inc (USA)
30105 PRIMARY Pti Technologies Inc. (USA)
PR306 Arvinmeritor Inc (USA)
30126 Arvinmeritor Inc (USA)
Related Parts
3950-00-399-4890INTERCHANGEABLE
FOLLOWER,SHAFT
2618
6650-00-403-6384INTERCHANGEABLE
ELECTRODE,PHOTOMETE
30105
2520-00-752-1063INTERCHANGEABLE
INTERLO
30-12-6
5999-00-767-5733INTERCHANGEABLE
WIRE MESH,KNITTED
424895-55
5945-00-792-5342INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
57780
2530-00-818-9853INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
2805-00-847-1731INTERCHANGEABLE
PUSH ROD,ENGINE POPPET VALVE
48091
5133-00-894-5614INTERCHANGEABLE
DRILL,TWIST
3030-00-933-5356INTERCHANGEABLE
BELT,POSITIVE DRIVE
110XL037
5310-01-051-5336INTERCHANGEABLE
WASHER,LOCK
5305-01-125-0927INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
30105
3455-01-365-3929INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-26

Frequently Asked Questions

What is NSN 4820-00-994-4191?

NSN 4820-00-994-4191 is a Piston,valve, manufactured by Pti Technologies Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-994-4191?

NSN 4820-00-994-4191 has 5 cross-referenced part numbers: 30105 (Arvinmeritor Inc), PR306 INDEX B (Arvinmeritor Inc), 30105 (Pti Technologies Inc.), PR306 (Arvinmeritor Inc), 30126 (Arvinmeritor Inc).

What NSN replaces 4820-00-994-4191?

There are 12 known substitutes for 4820-00-994-4191: 3950-00-399-4890, 6650-00-403-6384, 2520-00-752-1063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30105?

Key specifications for 30105: End Item Identification: PUROLATOR PRODUCTS MODELPR406,G306 AND G406; Inside Diameter: 0.385 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Outside Diameter: 0.500 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-994-4191 still in active supply?

NSN 4820-00-994-4191 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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