PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16312Coupling,shaft,rigid

H-K Connecticut Holding Company · NSN 3010-01-385-3774 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-385-3774 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-385-3774. Primary manufacturer part number: 16312.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Body Material: STEEL CORROSION RESISTING
  • Features Provided: KEYWAY
  • Bore Length: 1.7500 INCHES NOMINAL FIRST END IN
  • Bore Shape: STRAIGHT FIRST END
  • Bore Diameter: 0.5000 INCHES NOMINAL FIRST END IN
  • Overall Diameter: 1.125 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-385-3774, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-385-3774
Primary Part Number16312
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Body MaterialSTEEL CORROSION RESISTING
Features ProvidedKEYWAY
Bore Length1.7500 INCHES NOMINAL FIRST END IN
Bore ShapeSTRAIGHT FIRST END
Bore Diameter0.5000 INCHES NOMINAL FIRST END IN
Overall Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-173-871816312 INTERCHANGEABLE
Lead,electrical
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5331-00-451-9571N0674 2-109 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
6105-00-484-1420 INTERCHANGEABLE
End Bell,electrical Rotating Equ
5999-00-710-7666 INTERCHANGEABLE
Heater,thermal Release
6640-01-015-184316312 INTERCHANGEABLE
Impinger Cylinder and Tube,dust
Scientific Glass & Instruments Inc
5330-01-043-125516-312 INTERCHANGEABLE
Packing,preformed
Metrex Valve Corp. Dba Metrex Valve Corp
5340-01-062-178516312 INTERCHANGEABLE
Handle,bow
Tld Wollard Llc
5935-01-086-1598152190-0000 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
6525-01-112-405316312 INTERCHANGEABLE
Hanger,x-Ray Film
Wolf X-Ray, Corporation
5998-01-501-5914 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
912S0121-1 Syn-Tech System, Inc. (USA)
16312 PRIMARY H-K Connecticut Holding Company (USA)
CLX8-8SS PRIMARY Ruland Mfg Co Inc (USA)
23982975 PRIMARY Mack Defense Llc Dba Mack Defense Llc (USA)
Related Parts
6150-00-173-8718INTERCHANGEABLE
LEAD,ELECTRICAL
16312
5331-00-451-9571INTERCHANGEABLE
O-RING
N0674 2-109
6105-00-484-1420INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5999-00-710-7666INTERCHANGEABLE
HEATER,THERMAL RELEASE
6640-01-015-1843INTERCHANGEABLE
IMPINGER CYLINDER AND TUBE,DUST
16312
5330-01-043-1255INTERCHANGEABLE
PACKING,PREFORMED
16-312
5340-01-062-1785INTERCHANGEABLE
HANDLE,BOW
16312
5935-01-086-1598INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
152190-0000
6525-01-112-4053INTERCHANGEABLE
HANGER,X-RAY FILM
16312
5998-01-501-5914INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5342-01-502-8361INTERCHANGEABLE
WEDGE,DOG,DOOR-HATCH
163-12
6515-01-590-6040INTERCHANGEABLE
SCREW,BONE
212.125

Frequently Asked Questions

What is NSN 3010-01-385-3774?

NSN 3010-01-385-3774 is a Coupling,shaft,rigid, manufactured by H-K Connecticut Holding Company, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-385-3774?

NSN 3010-01-385-3774 has 4 cross-referenced part numbers: 912S0121-1 (Syn-Tech System, Inc.), 16312 (H-K Connecticut Holding Company), CLX8-8SS (Ruland Mfg Co Inc), 23982975 (Mack Defense Llc Dba Mack Defense Llc).

What NSN replaces 3010-01-385-3774?

There are 12 known substitutes for 3010-01-385-3774: 6150-00-173-8718, 5331-00-451-9571, 6105-00-484-1420 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16312?

Key specifications for 16312: Body Material: STEEL CORROSION RESISTING; Features Provided: KEYWAY; Bore Length: 1.7500 INCHES NOMINAL FIRST END IN; Bore Shape: STRAIGHT FIRST END. 8 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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