PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51798Shaft Engine Rocker

Renk America Llc Div Renk America · NSN 2990-00-774-4179 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-774-4179 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-774-4179. Primary manufacturer part number: 51798.
Features
  • Shaft Engine Rocker — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Renk America Llc Div Renk America
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Shaft Engine Rocker, cataloged under National Stock Number 2990-00-774-4179, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Renk America Llc Div Renk America. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft Engine Rocker
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersU S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Renk America Llc Div Renk America (CAGE 02978)
Technical Specifications
ParameterValue
NSN2990-00-774-4179
Primary Part Number51798
Item NameShaft Engine Rocker
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-399-0230 INTERCHANGEABLE
Seal,plain
2940-01-229-90321R0714 INTERCHANGEABLE
Filter Element,fluid
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
7744179 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
51798 PRIMARY Renk America Llc Div Renk America (USA)
Related Parts
5330-00-399-0230INTERCHANGEABLE
SEAL,PLAIN
2940-01-229-9032INTERCHANGEABLE
FILTER ELEMENT,FLUID
1R0714

Frequently Asked Questions

What is NSN 2990-00-774-4179?

NSN 2990-00-774-4179 is a Shaft Engine Rocker, manufactured by Renk America Llc Div Renk America, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-774-4179?

NSN 2990-00-774-4179 has 2 cross-referenced part numbers: 7744179 (U S Army Tank Automotive Command Amsta-Im-Mm), 51798 (Renk America Llc Div Renk America).

What NSN replaces 2990-00-774-4179?

There are 2 known substitutes for 2990-00-774-4179: 5330-00-399-0230, 2940-01-229-9032. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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