PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26657Coupling Half,shaft

Davey Compressor Co Div of Keco Industries Inc · NSN 3010-00-773-1074 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-773-1074 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-773-1074. Primary manufacturer part number: 26657.
Features
  • Coupling Half,shaft — FSC 3010
  • Features Provided: KEYWAY
  • Bore Shape: STRAIGHT
  • Body Style: FLEXIBLE PIN
  • Bore Diameter: 0.8760 INCHES NOMINAL IN
  • Material: STEEL
  • Bore Length: 1.6000 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Steel construction
General Description

The Coupling Half,shaft, cataloged under National Stock Number 3010-00-773-1074, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Davey Compressor Co Div of Keco Industries Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3010-00-773-1074
Primary Part Number26657
Item NameCoupling Half,shaft
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerDavey Compressor Co Div of Keco Industries Inc
StatusACTIVE
Features ProvidedKEYWAY
Bore ShapeSTRAIGHT
Body StyleFLEXIBLE PIN
Bore Diameter0.8760 INCHES NOMINAL IN
MaterialSTEEL
Bore Length1.6000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6140-00-057-2553 INTERCHANGEABLE
Battery,storage
1660-00-842-304826657-3 INTERCHANGEABLE
Parts Kit,regulator
Avox Systems Inc Dba Avox Systems Inc
5950-01-088-152226657-010 INTERCHANGEABLE
Transformer,power
Wireless Data Corporation
5998-01-308-765726657-504 INTERCHANGEABLE
Circuit Card Assembly
Drs Advanced Isr, Llc
5975-01-424-852426657-1 INTERCHANGEABLE
Support,electrical Cable
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5975-01-424-852526657-2 INTERCHANGEABLE
Support,electrical Cable
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
26657 Davey Compressor Co Div of Keco Industries Inc (USA)
26657 Hdt Expeditionary Systems Inc (USA)
26657 Drs Environmental Systems Inc (USA)
Related Parts
6140-00-057-2553INTERCHANGEABLE
BATTERY,STORAGE
1660-00-842-3048INTERCHANGEABLE
PARTS KIT,REGULATOR
26657-3
5950-01-088-1522INTERCHANGEABLE
TRANSFORMER,POWER
26657-010
5998-01-308-7657INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
26657-504
5975-01-424-8524INTERCHANGEABLE
SUPPORT,ELECTRICAL CABLE
26657-1
5975-01-424-8525INTERCHANGEABLE
SUPPORT,ELECTRICAL CABLE
26657-2

Frequently Asked Questions

What is NSN 3010-00-773-1074?

NSN 3010-00-773-1074 is a Coupling Half,shaft, manufactured by Davey Compressor Co Div of Keco Industries Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-773-1074?

NSN 3010-00-773-1074 has 3 cross-referenced part numbers: 26657 (Davey Compressor Co Div of Keco Industries Inc), 26657 (Hdt Expeditionary Systems Inc), 26657 (Drs Environmental Systems Inc).

What NSN replaces 3010-00-773-1074?

There are 6 known substitutes for 3010-00-773-1074: 6140-00-057-2553, 1660-00-842-3048, 5950-01-088-1522 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26657?

Key specifications for 26657: Features Provided: KEYWAY; Special Features: POSITIONING FACILITY BOLT CIRCLE DIA.:3.020" NOM.; POSITIONING FACILITY QTY:2; SECURING METHOD:KEY; BORE COUNTERBORE FEATURE AND KEYING FACILITY:INCLUDED; KEYING FACILITY QTY:1; COUNTERBORE LOCATION:COUPLING END; O/A OUTSIDE DIMENSION:3.994"; HUB OD:1.505" NOM.; PIN LG.:1.484" NOM.; THREAD PROVISION:UNTHREADED; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY:0.530" NOM.; PIN DIA.:0.505" NOM.; KEYWAY WD:0.186" NOM.; FLANGE THICKNESS:1.123" NOM.; COUNTERBORE DEPTH:0.398" NOM.; COUNTERBORE DIA.:1.123" NOM.; Bore Shape: STRAIGHT; Body Style: FLEXIBLE PIN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com