PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21643Knob

Bosch Automotive Service Solutions Inc. · NSN 5355-01-329-3454 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-01-329-3454 — this item is cataloged by the U.S. Government under National Stock Number 5355-01-329-3454. Primary manufacturer part number: 21643.
Features
  • Knob — FSC 5355
  • Style Designator: TEAR-DROP (EGG-SHAPED)
  • 1 verified cross-reference
  • Primary manufacturer: Bosch Automotive Service Solutions Inc.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-01-329-3454, is classified within Federal Supply Class 5355 (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 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-01-329-3454
Primary Part Number21643
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
Style DesignatorTEAR-DROP (EGG-SHAPED)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-647-832332357 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5330-00-834-868021643 INTERCHANGEABLE
Retainer,packing
Schneider Electric Systems Usa Inc
2910-01-171-884227950 INTERCHANGEABLE
Guard,carburetor
Stone Construction Equipment, Inc.
4820-01-180-075621643 INTERCHANGEABLE
Valve,expansion
Traulsen and Co Inc
1650-01-327-395821643 INTERCHANGEABLE
Pad,hanger Arm
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21643 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5950-00-647-8323INTERCHANGEABLE
TRANSFORMER,POWER
32357
5330-00-834-8680INTERCHANGEABLE
RETAINER,PACKING
21643
2910-01-171-8842INTERCHANGEABLE
GUARD,CARBURETOR
27950
4820-01-180-0756INTERCHANGEABLE
VALVE,EXPANSION
21643
1650-01-327-3958INTERCHANGEABLE
PAD,HANGER ARM
21643

Frequently Asked Questions

What is NSN 5355-01-329-3454?

NSN 5355-01-329-3454 is a Knob, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-01-329-3454?

NSN 5355-01-329-3454 has 1 cross-referenced part number: 21643 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 5355-01-329-3454?

There are 5 known substitutes for 5355-01-329-3454: 5950-00-647-8323, 5330-00-834-8680, 2910-01-171-8842 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21643?

Key specifications for 21643: Style Designator: TEAR-DROP (EGG-SHAPED); End Item Identification: 3895-01-303-8909. 2 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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