PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K8249Key,machine

Cummins Inc. · NSN 5315-00-281-8687 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-281-8687 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-281-8687. Primary manufacturer part number: K8249.
Features
  • Key,machine — FSC 5315
  • Key Chamfer Angle: 45.0 DEGREES NOMINAL
  • Starting Edge Shape: CHAMFERED
  • Round End Length: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Radius: 1.125 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: STEEL COMP 1045 OVERALL
Applications
  • Applications requiring Steel Comp 1045 Overall construction
General Description

The Key,machine, cataloged under National Stock Number 5315-00-281-8687, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-281-8687
Primary Part NumberK8249
Item NameKey,machine
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Key Chamfer Angle45.0 DEGREES NOMINAL
Starting Edge ShapeCHAMFERED
Round End Length0.500 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Radius1.125 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialSTEEL COMP 1045 OVERALL
Key Chamfer Length0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-100-4205C-8951-4 INTERCHANGEABLE
Bearing,roller,tapered
Jered Llc
5330-00-285-83871B2729 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5305-00-670-84828249 INTERCHANGEABLE
Screw,lock
Belfort Instrument Company
5305-00-972-47778249 INTERCHANGEABLE
Screw,air Pressure,
Goodrich Corporation
5310-01-049-20018249 INTERCHANGEABLE
Nut,plain,hexagon
Cole Hersee Company
5340-01-185-47578249 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5340-01-280-6315 INTERCHANGEABLE
Standoff,threaded,spacing
5985-01-332-3085HH-128-PIN INTERCHANGEABLE
Divider,power,radio Frequency
Macom Technology Solutions Inc
5940-01-690-37498249 INTERCHANGEABLE
Terminal,lug
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
K8249 Cummins Inc. (USA)
8249 Cummins Inc. (USA)
Related Parts
3110-00-100-4205INTERCHANGEABLE
BEARING,ROLLER,TAPERED
C-8951-4
5330-00-285-8387INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B2729
5305-00-670-8482INTERCHANGEABLE
SCREW,LOCK
8249
5305-00-972-4777INTERCHANGEABLE
SCREW,AIR PRESSURE,
8249
5310-01-049-2001INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8249
5340-01-185-4757INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8249
5340-01-280-6315INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5985-01-332-3085INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
HH-128-PIN
5940-01-690-3749INTERCHANGEABLE
TERMINAL,LUG
8249

Frequently Asked Questions

What is NSN 5315-00-281-8687?

NSN 5315-00-281-8687 is a Key,machine, manufactured by Cummins Inc., classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-281-8687?

NSN 5315-00-281-8687 has 2 cross-referenced part numbers: K8249 (Cummins Inc.), 8249 (Cummins Inc.).

What NSN replaces 5315-00-281-8687?

There are 9 known substitutes for 5315-00-281-8687: 3110-00-100-4205, 5330-00-285-8387, 5305-00-670-8482 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K8249?

Key specifications for K8249: Key Chamfer Angle: 45.0 DEGREES NOMINAL; Starting Edge Shape: CHAMFERED; Round End Length: 0.500 INCHES NOMINAL IN; Overall Height: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-281-8687 still in active supply?

NSN 5315-00-281-8687 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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