PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11734-ACoupling and Bushing

The Gorman-Rupp Company Div Gorman-Rupp · NSN 2520-00-914-6055 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-914-6055 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-914-6055. Primary manufacturer part number: 11734-A.
Features
  • Coupling and Bushing — FSC 2520
  • General Characteristics Item Description: STEEL;CASEHARDENED COUPLING,STEEL BUSHING;2.600 IN.O/A LG,INCLUDES ROUND MTG FLANGE;5.375 IN.DIA;0.500 IN. THK;FOUR PLAIN MTG HOLES;0.344 IN.DIA EQUALLY SPACED ON A 4.625 IN.HOLE CIRCLE+COUPLING INCLUDES INTERNAL STRAIGHT SPLINES,10 TEETH;1.254 IN.MIN BY 1.264 IN.MAX MAJOR DIA;1.012 IN.MIN BY 1.022 IN.MAX MINOR DIA;0.750 IN.BUSHING DIA IN
  • 4 verified cross-references
  • Primary manufacturer: The Gorman-Rupp Company Div Gorman-Rupp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling and Bushing, cataloged under National Stock Number 2520-00-914-6055, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-914-6055
Primary Part Number11734-A
Item NameCoupling and Bushing
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
General Characteristics Item DescriptionSTEEL;CASEHARDENED COUPLING,STEEL BUSHING;2.600 IN.O/A LG,INCLUDES ROUND MTG FLANGE;5.375 IN.DIA;0.500 IN. THK;FOUR PLAIN MTG HOLES;0.344 IN.DIA EQUALLY SPACED ON A 4.625 IN.HOLE CIRCLE+COUPLING INCLUDES INTERNAL STRAIGHT SPLINES,10 TEETH;1.254 IN.MIN BY 1.264 IN.MAX MAJOR DIA;1.012 IN.MIN BY 1.022 IN.MAX MINOR DIA;0.750 IN.BUSHING DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-178-1236117-34 INTERCHANGEABLE
Shim
Senior Operations Llc Div Senior Aerospace Ketema
5120-00-184-825511734 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
5110-00-293-0465 INTERCHANGEABLE
Handle,hatchet
2940-00-532-353511734 INTERCHANGEABLE
Plate
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6145-01-209-745211734 INTERCHANGEABLE
Cable,radio Frequency
Nexans Aerospace Usa Llc
2530-01-256-5381 INTERCHANGEABLE
Cylinder,hydraulic Brake,master
Cross-Reference Index
Part NumberManufacturer
10950452 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11597604 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11734 The Gorman-Rupp Company Div Gorman-Rupp (USA)
11734-A PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
5365-00-178-1236INTERCHANGEABLE
SHIM
117-34
5120-00-184-8255INTERCHANGEABLE
DIE,CRIMPING TOOL
11734
5110-00-293-0465INTERCHANGEABLE
HANDLE,HATCHET
2940-00-532-3535INTERCHANGEABLE
PLATE
11734
6145-01-209-7452INTERCHANGEABLE
CABLE,RADIO FREQUENCY
11734
2530-01-256-5381INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER

Frequently Asked Questions

What is NSN 2520-00-914-6055?

NSN 2520-00-914-6055 is a Coupling and Bushing, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-914-6055?

NSN 2520-00-914-6055 has 4 cross-referenced part numbers: 10950452 (U S Army Tank Automotive Command Amsta-Im-Mm), 11597604 (U S Army Tank Automotive Command Amsta-Im-Mm), 11734 (The Gorman-Rupp Company Div Gorman-Rupp), 11734-A (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 2520-00-914-6055?

There are 6 known substitutes for 2520-00-914-6055: 5365-00-178-1236, 5120-00-184-8255, 5110-00-293-0465 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11734-A?

Key specifications for 11734-A: General Characteristics Item Description: STEEL;CASEHARDENED COUPLING,STEEL BUSHING;2.600 IN.O/A LG,INCLUDES ROUND MTG FLANGE;5.375 IN.DIA;0.500 IN. THK;FOUR PLAIN MTG HOLES;0.344 IN.DIA EQUALLY SPACED ON A 4.625 IN.HOLE CIRCLE+COUPLING INCLUDES INTERNAL STRAIGHT SPLINES,10 TEETH;1.254 IN.MIN BY 1.264 IN.MAX MAJOR DIA;1.012 IN.MIN BY 1.022 IN.MAX MINOR DIA;0.750 IN.BUSHING DIA IN. 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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