PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A5437Coupling,shaft,flexible

Oberdorfer Foundries Inc · NSN 3010-00-705-2273 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-705-2273 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-705-2273. Primary manufacturer part number: A5437.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Threaded Hole Location: BOTH ENDS: 0.250 IN. FROM HUB END 90 DEG APART IN
  • Bore Shape: STRAIGHT BOTH ENDS
  • Threaded Hole Quantity: 1 BOTH ENDS
  • Furnished Items and Quantity: SETSCREWS 2
  • Insert Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Bore Diameter: 0.5015 INCHES NOMINAL BOTH ENDS IN
  • Outside Diameter: 1.094 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-705-2273, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-705-2273
Primary Part NumberA5437
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerOberdorfer Foundries Inc
StatusACTIVE
Threaded Hole LocationBOTH ENDS: 0.250 IN. FROM HUB END 90 DEG APART IN
Bore ShapeSTRAIGHT BOTH ENDS
Threaded Hole Quantity1 BOTH ENDS
Furnished Items and QuantitySETSCREWS 2
Insert MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Bore Diameter0.5015 INCHES NOMINAL BOTH ENDS IN
Outside Diameter1.094 INCHES NOMINAL IN
Thread Size Designator0.250-20 BOTH ENDS
Design TypeINSERT
Bore Length1.9375 INCHES NOMINAL BOTH ENDS IN
Securing MethodTHREADED HOLE(S) BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3010-00-203-1653031020-0000 INTERCHANGEABLE
Coupling,shaft,flexible
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5310-00-616-30235437 INTERCHANGEABLE
Washer,flat
Am General Llc
5950-01-125-68995437 INTERCHANGEABLE
Transformer,power
Keytronics, Inc. Div Api Technologies Corp- Magnetics
5930-01-152-67485437 INTERCHANGEABLE
Switch,electrical
Watts Heating and Hot Water Solutions Llc Dba Pvi Industries Llc
5962-01-299-0561 INTERCHANGEABLE
Microcircuit,digital
5340-01-311-6398325897 INTERCHANGEABLE
Clamp,loop
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5315-01-364-23865437 INTERCHANGEABLE
Pin,straight,headed
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
A5437 PRIMARY Oberdorfer Foundries Inc (USA)
325897 Cae Usa Inc. (USA)
5437 Oberdorfer Foundries Inc (USA)
325897 Raytheon Technical Services Company (USA)
Related Parts
3010-00-203-1653INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
031020-0000
5310-00-616-3023INTERCHANGEABLE
WASHER,FLAT
5437
5950-01-125-6899INTERCHANGEABLE
TRANSFORMER,POWER
5437
5930-01-152-6748INTERCHANGEABLE
SWITCH,ELECTRICAL
5437
5962-01-299-0561INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5340-01-311-6398INTERCHANGEABLE
CLAMP,LOOP
325897
5315-01-364-2386INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5437

Frequently Asked Questions

What is NSN 3010-00-705-2273?

NSN 3010-00-705-2273 is a Coupling,shaft,flexible, manufactured by Oberdorfer Foundries Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-705-2273?

NSN 3010-00-705-2273 has 4 cross-referenced part numbers: A5437 (Oberdorfer Foundries Inc), 325897 (Cae Usa Inc.), 5437 (Oberdorfer Foundries Inc), 325897 (Raytheon Technical Services Company).

What NSN replaces 3010-00-705-2273?

There are 7 known substitutes for 3010-00-705-2273: 3010-00-203-1653, 5310-00-616-3023, 5950-01-125-6899 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A5437?

Key specifications for A5437: Threaded Hole Location: BOTH ENDS: 0.250 IN. FROM HUB END 90 DEG APART IN; Bore Shape: STRAIGHT BOTH ENDS; Threaded Hole Quantity: 1 BOTH ENDS; Furnished Items and Quantity: SETSCREWS 2. 12 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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