PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E.MT.4231Clutch,fan,engine

Mietsel Sa · NSN 2930-01-538-9734 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-01-538-9734 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-538-9734. Primary manufacturer part number: E.MT.4231.
Features
  • Clutch,fan,engine — FSC 2930
  • Engine Model Number for Which Designed: HT550
  • Engine Design Control Activity: 4H595
  • 5 verified cross-references
  • Primary manufacturer: Mietsel Sa
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Clutch,fan,engine, cataloged under National Stock Number 2930-01-538-9734, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Mietsel Sa. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN2930-01-538-9734
Primary Part NumberE.MT.4231
Item NameClutch,fan,engine
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerMietsel Sa
StatusACTIVE
Engine Model Number for Which DesignedHT550
Engine Design Control Activity4H595
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-142-0146020-009-1C INTERCHANGEABLE
Ball,bearing
Virginia Industries, Inc. Div Hartford Technologies, Inc.
5315-00-663-392199-1451 INTERCHANGEABLE
Pin,straight,headless
Hamilton Sundstrand Corporation
6540-01-473-3704L12126 INTERCHANGEABLE
Target Unit Assy
Lombart Brothers, Inc Dba Marco Lombart Div Marco Lombart
Cross-Reference Index
Part NumberManufacturer
E.MT.4231 Mietsel Sa (GRC)
40MH29401 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
991439 Horton Inc. (USA)
991439 Horton Inc (USA)
991451 Horton Inc. (USA)
Related Parts
3110-00-142-0146INTERCHANGEABLE
BALL,BEARING
020-009-1C
5315-00-663-3921INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
99-1451
6540-01-473-3704INTERCHANGEABLE
TARGET UNIT ASSY
L12126

Frequently Asked Questions

What is NSN 2930-01-538-9734?

NSN 2930-01-538-9734 is a Clutch,fan,engine, manufactured by Mietsel Sa, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-01-538-9734?

NSN 2930-01-538-9734 has 5 cross-referenced part numbers: E.MT.4231 (Mietsel Sa), 40MH29401 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales), 991439 (Horton Inc.), 991439 (Horton Inc), 991451 (Horton Inc.).

What NSN replaces 2930-01-538-9734?

There are 3 known substitutes for 2930-01-538-9734: 3110-00-142-0146, 5315-00-663-3921, 6540-01-473-3704. Verify interchangeability with system specifications before substitution.

What are the specifications of E.MT.4231?

Key specifications for E.MT.4231: Special Features: SPIN-ON BRACKET, 26 INCH FAN BLADES; VAN HOOLBUS IN; Engine Model Number for Which Designed: HT550; Engine Design Control Activity: 4H595. 3 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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