PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74388Rocker Arm,engine Poppet Valve

Textron Lycoming Inc Williamsport Plant · NSN 2810-01-348-2897 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-01-348-2897 — this item is cataloged by the U.S. Government under National Stock Number 2810-01-348-2897. Primary manufacturer part number: 74388.
Features
  • Rocker Arm,engine Poppet Valve — FSC 2810
  • 1 verified cross-reference
  • Primary manufacturer: Textron Lycoming Inc Williamsport Plant
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2810-01-348-2897, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-01-348-2897
Primary Part Number74388
Item NameRocker Arm,engine Poppet Valve
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-914-726074-388 INTERCHANGEABLE
Screw,machine
Pitney Bowes Inc.
5315-01-319-220086219 INTERCHANGEABLE
Pin,shoulder,headless
General Electric Company Dba Ge Aerospace
3120-01-343-093974388 INTERCHANGEABLE
Bearing,sleeve
Triumph Engine Control Systems Llc
Cross-Reference Index
Part NumberManufacturer
74388 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5305-00-914-7260INTERCHANGEABLE
SCREW,MACHINE
74-388
5315-01-319-2200INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
86219
3120-01-343-0939INTERCHANGEABLE
BEARING,SLEEVE
74388

Frequently Asked Questions

What is NSN 2810-01-348-2897?

NSN 2810-01-348-2897 is a Rocker Arm,engine Poppet Valve, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-01-348-2897?

NSN 2810-01-348-2897 has 1 cross-referenced part number: 74388 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 2810-01-348-2897?

There are 3 known substitutes for 2810-01-348-2897: 5305-00-914-7260, 5315-01-319-2200, 3120-01-343-0939. Verify interchangeability with system specifications before substitution.

What are the specifications of 74388?

Key specifications for 74388: End Item Identification: AE10 540L1B5D ACFT ENGINE. 1 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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