PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21609Pin,grooved,headless

Bosch Automotive Service Solutions Inc. · NSN 5315-00-422-0604 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-422-0604 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-422-0604. Primary manufacturer part number: 21609.
Features
  • Pin,grooved,headless — FSC 5315
  • Undercut Diameter: 0.302 INCHES NOMINAL IN
  • First End Style: CHAMFERED
  • Undercut Width: 0.039 INCHES NOMINAL IN
  • Surface Finish: 250.0 MICROINCHES OVERALL
  • Second Undercut Width: 0.039 INCHES NOMINAL IN
  • Diameter: 0.318 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Pin,grooved,headless, cataloged under National Stock Number 5315-00-422-0604, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bosch Automotive Service Solutions Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5315-00-422-0604
Primary Part Number21609
Item NamePin,grooved,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
Undercut Diameter0.302 INCHES NOMINAL IN
First End StyleCHAMFERED
Undercut Width0.039 INCHES NOMINAL IN
Surface Finish250.0 MICROINCHES OVERALL
Second Undercut Width0.039 INCHES NOMINAL IN
Diameter0.318 INCHES NOMINAL IN
MaterialSTEEL OVERALL
First End Taper Length0.031 INCHES NOMINAL IN
First End Taper Angle45.0 DEGREES NOMINAL
Effective Length1.635 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Surface TreatmentOXIDE OVERALL
Style DesignatorGROOVE
First End LocationBOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-038-1477 INTERCHANGEABLE
Brush,electrical Contact
3040-00-149-251599121609 INTERCHANGEABLE
Shaft,shouldered
Alfa Laval Inc
5950-00-510-177225701 INTERCHANGEABLE
Reactor
Freed Transformer Co
5950-00-581-217621-609 INTERCHANGEABLE
Coil,radio Frequency
Neurotech Corp Control Electronics Div
5935-00-626-8620970653-1 INTERCHANGEABLE
Retainer,electrical Connector
Raytheon Company Dba Raytheon
6625-00-828-96212160-9 INTERCHANGEABLE
Test Set,power Supply
Rockwell Collins, Inc. Dba Rc Displays Systems
2990-01-094-952721609 INTERCHANGEABLE
Muffler,exhaust
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5920-01-149-30639G0747 INTERCHANGEABLE
Fuseholder,block
Caterpillar Inc Div Caterpillar Defense
4320-01-230-061921609 INTERCHANGEABLE
Pump Clutch Assembl
Industrial Technologies and Services Llc
4720-01-298-553421609 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
21609 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5977-00-038-1477INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3040-00-149-2515INTERCHANGEABLE
SHAFT,SHOULDERED
99121609
5950-00-510-1772INTERCHANGEABLE
REACTOR
25701
5950-00-581-2176INTERCHANGEABLE
COIL,RADIO FREQUENCY
21-609
5935-00-626-8620INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
970653-1
6625-00-828-9621INTERCHANGEABLE
TEST SET,POWER SUPPLY
2160-9
2990-01-094-9527INTERCHANGEABLE
MUFFLER,EXHAUST
21609
5920-01-149-3063INTERCHANGEABLE
FUSEHOLDER,BLOCK
9G0747
4320-01-230-0619INTERCHANGEABLE
PUMP CLUTCH ASSEMBL
21609
4720-01-298-5534INTERCHANGEABLE
HOSE,PREFORMED
21609
4320-01-365-7934INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
24-45600-2083-2
2915-01-505-2490INTERCHANGEABLE
METERING SET
21609

Frequently Asked Questions

What is NSN 5315-00-422-0604?

NSN 5315-00-422-0604 is a Pin,grooved,headless, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-422-0604?

NSN 5315-00-422-0604 has 1 cross-referenced part number: 21609 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 5315-00-422-0604?

There are 12 known substitutes for 5315-00-422-0604: 5977-00-038-1477, 3040-00-149-2515, 5950-00-510-1772 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21609?

Key specifications for 21609: Undercut Diameter: 0.302 INCHES NOMINAL IN; First End Style: CHAMFERED; Undercut Width: 0.039 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN. 15 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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