PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44788Screw,adjusting,valve Tappet

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-118-4250 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-118-4250 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-118-4250. Primary manufacturer part number: 44788.
Features
  • Screw,adjusting,valve Tappet — FSC 2810
  • Taper Minor Diameter: 0.188 INCHES NOMINAL IN
  • Slot Width: 0.047 INCHES NOMINAL IN
  • FSC Application Data: ACFT ENG R1830
  • Style Designator: FLAT HEAD, STRAIGHT, THREAD, TAPERED DRIVE END
  • Material: STEEL
  • Casehardening Indicator: NOT CASEHARDENED
  • End Length: 0.141 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Screw,adjusting,valve Tappet, cataloged under National Stock Number 2810-00-118-4250, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN2810-00-118-4250
Primary Part Number44788
Item NameScrew,adjusting,valve Tappet
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Taper Minor Diameter0.188 INCHES NOMINAL IN
Slot Width0.047 INCHES NOMINAL IN
FSC Application DataACFT ENG R1830
Style DesignatorFLAT HEAD, STRAIGHT, THREAD, TAPERED DRIVE END
MaterialSTEEL
Casehardening IndicatorNOT CASEHARDENED
End Length0.141 INCHES NOMINAL IN
Thread SeriesUNF
Smallest Diameter0.250 INCHES NOMINAL IN
Thread Class3A A
Thread Length1.016 INCHES IN
Taper Length0.031 INCHES NOMINAL IN
Thread Size1/4-28
Slot Depth0.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-443-404644-788 INTERCHANGEABLE
Switch,electrical
Thermo King Corporation Dba Phoenix Global Distirbution.
5930-00-842-0609207573-1 INTERCHANGEABLE
Adapter,switch Actuator
Honeywell International Inc. Dba Honeyweel Sensing & Controls
6680-01-094-319044788 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
3040-01-521-091344788 INTERCHANGEABLE
Worm Shaft
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
Cross-Reference Index
Part NumberManufacturer
44788 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
44788 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5930-00-443-4046INTERCHANGEABLE
SWITCH,ELECTRICAL
44-788
5930-00-842-0609INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
207573-1
6680-01-094-3190INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
44788
3040-01-521-0913INTERCHANGEABLE
WORM SHAFT
44788

Frequently Asked Questions

What is NSN 2810-00-118-4250?

NSN 2810-00-118-4250 is a Screw,adjusting,valve Tappet, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-118-4250?

NSN 2810-00-118-4250 has 2 cross-referenced part numbers: 44788 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 44788 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2810-00-118-4250?

There are 4 known substitutes for 2810-00-118-4250: 5930-00-443-4046, 5930-00-842-0609, 6680-01-094-3190 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44788?

Key specifications for 44788: Taper Minor Diameter: 0.188 INCHES NOMINAL IN; Slot Width: 0.047 INCHES NOMINAL IN; FSC Application Data: ACFT ENG R1830; Style Designator: FLAT HEAD, STRAIGHT, THREAD, TAPERED DRIVE END. 15 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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