PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15918Coupling,shaft,rigid

Napco International Llc Dba Napco International Inc · NSN 3010-00-325-5797 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-325-5797 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-325-5797. Primary manufacturer part number: 15918.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Spline Quantity: 10 BOTH ENDS
  • Spline Length: 2.250 INCHES NOMINAL BOTH ENDS IN
  • Spline Minor Diameter: 0.625 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: PLAIN SLEEVE
  • Overall Diameter: 1.188 INCHES NOMINAL IN
  • Spline Type: STRAIGHT BOTH ENDS
  • Body Material: STEEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-325-5797, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3010-00-325-5797
Primary Part Number15918
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Spline Quantity10 BOTH ENDS
Spline Length2.250 INCHES NOMINAL BOTH ENDS IN
Spline Minor Diameter0.625 INCHES NOMINAL BOTH ENDS IN
Style DesignatorPLAIN SLEEVE
Overall Diameter1.188 INCHES NOMINAL IN
Spline TypeSTRAIGHT BOTH ENDS
Body MaterialSTEEL
Spline Major Diameter0.750 INCHES NOMINAL BOTH ENDS IN
Bore ShapeSPLINED BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5895-00-030-9778 INTERCHANGEABLE
Cavity,tuned
5360-00-350-67045549 INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Transmission Div
3110-01-202-6921SR6SSW5G37 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
5133-01-399-0706 INTERCHANGEABLE
Drill,twist
5360-01-473-053615918 INTERCHANGEABLE
Spring,helical,compression
Moog Inc
6250-01-474-252315918 INTERCHANGEABLE
Ballast,lamp
Technical Consumer Products, Inc.
8145-01-562-242317675-3000 INTERCHANGEABLE
Shipping and Storag
Hardigg Industries, Llc Div Hardigg Cases
3950-01-572-708215918 INTERCHANGEABLE
Winch,drum,hand Operated
Dutton-Lainson Company
2940-01-625-314615918 INTERCHANGEABLE
Filter Element,fluid
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
15918 PRIMARY Napco International Llc Dba Napco International Inc (USA)
C1A15918 Harsco Corp Bmy-Combat Systems Div (USA)
Related Parts
5895-00-030-9778INTERCHANGEABLE
CAVITY,TUNED
5360-00-350-6704INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5549
3110-01-202-6921INTERCHANGEABLE
BEARING,BALL,ANNULAR
SR6SSW5G37
5133-01-399-0706INTERCHANGEABLE
DRILL,TWIST
5360-01-473-0536INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
15918
6250-01-474-2523INTERCHANGEABLE
BALLAST,LAMP
15918
8145-01-562-2423INTERCHANGEABLE
SHIPPING AND STORAG
17675-3000
3950-01-572-7082INTERCHANGEABLE
WINCH,DRUM,HAND OPERATED
15918
2940-01-625-3146INTERCHANGEABLE
FILTER ELEMENT,FLUID
15918

Frequently Asked Questions

What is NSN 3010-00-325-5797?

NSN 3010-00-325-5797 is a Coupling,shaft,rigid, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-325-5797?

NSN 3010-00-325-5797 has 2 cross-referenced part numbers: 15918 (Napco International Llc Dba Napco International Inc), C1A15918 (Harsco Corp Bmy-Combat Systems Div).

What NSN replaces 3010-00-325-5797?

There are 9 known substitutes for 3010-00-325-5797: 5895-00-030-9778, 5360-00-350-6704, 3110-01-202-6921 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15918?

Key specifications for 15918: Spline Quantity: 10 BOTH ENDS; Spline Length: 2.250 INCHES NOMINAL BOTH ENDS IN; Spline Minor Diameter: 0.625 INCHES NOMINAL BOTH ENDS IN; Style Designator: PLAIN SLEEVE. 10 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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