PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52156Coupling,shaft,flexible

Drs Environmental Systems Inc · NSN 3010-00-966-9836 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-966-9836 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-966-9836. Primary manufacturer part number: 52156.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Securing Method: THREADED HOLE(S) BOTH ENDS
  • Keying Facility Type: KEYWAY FIRST END
  • Keyway Depth: 0.1880 INCHES NOMINAL FIRST END IN
  • Keying Facility Type: KEYWAY SECOND END
  • Keyway Width: 0.375 INCHES NOMINAL SECOND END IN
  • Outside Diameter: 4.594 INCHES NOMINAL IN
  • Taper Largest Diameter: 1.1880 INCHES NOMINAL BOTH ENDS 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 3010-00-966-9836, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 21 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-966-9836
Primary Part Number52156
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Securing MethodTHREADED HOLE(S) BOTH ENDS
Keying Facility TypeKEYWAY FIRST END
Keyway Depth0.1880 INCHES NOMINAL FIRST END IN
Keying Facility TypeKEYWAY SECOND END
Keyway Width0.375 INCHES NOMINAL SECOND END IN
Outside Diameter4.594 INCHES NOMINAL IN
Taper Largest Diameter1.1880 INCHES NOMINAL BOTH ENDS IN
Design TypeSPRING WASHER
Bore ShapeTAPERED SECOND END
Keyway Depth0.1880 INCHES NOMINAL SECOND END IN
Taper Minor Diameter1.1870 INCHES NOMINAL BOTH ENDS IN
Keying Facility Quantity1 SECOND END
Bore Diameter1.6250 INCHES NOMINAL BOTH ENDS IN
Keyway Width0.375 INCHES NOMINAL FIRST END IN
Features ProvidedEXPOSED COUPLING BOLT TYPE AND SHROUDED COUPLING BOLT TYPE
Bore ShapeSTRAIGHT FIRST END
Bore Length1.6870 INCHES NOMINAL SECOND END IN
Bore Length1.6870 INCHES NOMINAL FIRST END IN
Threaded Hole Quantity1 BOTH ENDS
Keying Facility Quantity1 FIRST END
Threaded Hole LocationBOTH ENDS: LOCATED ON TOP OF KEYWAY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3020-00-015-171352156 INTERCHANGEABLE
Gear Cluster
Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
3110-00-183-9896A718R INTERCHANGEABLE
Roller,bearing
Kaydon Corporation Dba Kaydon Corp
3010-00-294-7731 INTERCHANGEABLE
Coupling,shaft,flexible
3010-00-900-3328163DBZ INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries, Llc Div Couplings Division
3010-00-919-5233 INTERCHANGEABLE
Coupling,shaft,flexible
6685-01-073-313227148 INTERCHANGEABLE
Indicator,pressure
Pall Aeropower Corporation
3110-01-137-397928944RP INTERCHANGEABLE
Bearing,ball,annular
Alliance Laundry Systems Llc
4820-01-274-0310EEP-9 1/2IN INTERCHANGEABLE
Cock,drain
Ernst Flow Industries Llc Div Ernst Flow Industries
6130-01-627-098027148 INTERCHANGEABLE
Power Supply
Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix
Cross-Reference Index
Part NumberManufacturer
52156 Drs Environmental Systems Inc (USA)
52156 Keco Industries, Inc. (USA)
27148 Rexnord Industries, Llc Div Couplings Division (USA)
52156 Hdt Expeditionary Systems Inc (USA)
162MT Rexnord Industries, Llc Div Couplings Division (USA)
Related Parts
3020-00-015-1713INTERCHANGEABLE
GEAR CLUSTER
52156
3110-00-183-9896INTERCHANGEABLE
ROLLER,BEARING
A718R
3010-00-294-7731INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
3010-00-900-3328INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
163DBZ
3010-00-919-5233INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
6685-01-073-3132INTERCHANGEABLE
INDICATOR,PRESSURE
27148
3110-01-137-3979INTERCHANGEABLE
BEARING,BALL,ANNULAR
28944RP
4820-01-274-0310INTERCHANGEABLE
COCK,DRAIN
EEP-9 1/2IN
6130-01-627-0980INTERCHANGEABLE
POWER SUPPLY
27148

Frequently Asked Questions

What is NSN 3010-00-966-9836?

NSN 3010-00-966-9836 is a Coupling,shaft,flexible, manufactured by Drs Environmental Systems Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-966-9836?

NSN 3010-00-966-9836 has 5 cross-referenced part numbers: 52156 (Drs Environmental Systems Inc), 52156 (Keco Industries, Inc.), 27148 (Rexnord Industries, Llc Div Couplings Division), 52156 (Hdt Expeditionary Systems Inc), 162MT (Rexnord Industries, Llc Div Couplings Division).

What NSN replaces 3010-00-966-9836?

There are 9 known substitutes for 3010-00-966-9836: 3020-00-015-1713, 3110-00-183-9896, 3010-00-294-7731 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52156?

Key specifications for 52156: Securing Method: THREADED HOLE(S) BOTH ENDS; Keying Facility Type: KEYWAY FIRST END; Keyway Depth: 0.1880 INCHES NOMINAL FIRST END IN; Keying Facility Type: KEYWAY SECOND END. 22 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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