PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1520Shaft Assembly,driv

Monarch Governor Co · NSN 2990-00-374-5334 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-374-5334 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-374-5334. Primary manufacturer part number: A1520.
Features
  • Shaft Assembly,driv — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Monarch Governor Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft Assembly,driv, cataloged under National Stock Number 2990-00-374-5334, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Monarch Governor Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft Assembly,driv
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersMonarch Governor Co (CAGE 76446)
Technical Specifications
ParameterValue
NSN2990-00-374-5334
Primary Part NumberA1520
Item NameShaft Assembly,driv
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerMonarch Governor Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-145-4408A15200 INTERCHANGEABLE
Seal Piston
Catching Engineering Co
8455-00-239-6468 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-00-239-6473 INTERCHANGEABLE
Insignia,shoulder Sleeve
4320-01-195-5871055D0148P050A INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-244-2557 INTERCHANGEABLE
Ball,valve,ported
5930-01-271-7384C5090470 INTERCHANGEABLE
Push Button
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8455-01-528-9164 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-654-1672 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-700-3571 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1520 Monarch Governor Co (USA)
A1520-0 Monarch Governor Co (USA)
Related Parts
5330-00-145-4408INTERCHANGEABLE
SEAL PISTON
A15200
8455-00-239-6468INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-00-239-6473INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
4320-01-195-5871INTERCHANGEABLE
RING,LANTERN
055D0148P050A
4820-01-244-2557INTERCHANGEABLE
BALL,VALVE,PORTED
5930-01-271-7384INTERCHANGEABLE
PUSH BUTTON
C5090470
8455-01-528-9164INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-654-1672INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-700-3571INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 2990-00-374-5334?

NSN 2990-00-374-5334 is a Shaft Assembly,driv, manufactured by Monarch Governor Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-374-5334?

NSN 2990-00-374-5334 has 2 cross-referenced part numbers: A1520 (Monarch Governor Co), A1520-0 (Monarch Governor Co).

What NSN replaces 2990-00-374-5334?

There are 9 known substitutes for 2990-00-374-5334: 5330-00-145-4408, 8455-00-239-6468, 8455-00-239-6473 and 6 more. Verify interchangeability with system specifications before substitution.

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