PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PD1-20Knob,thumb,knurled,

W. M. Berg, Inc. · NSN 4920-01-474-4653 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-474-4653 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-474-4653. Primary manufacturer part number: PD1-20.
Features
  • Knob,thumb,knurled, — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: W. M. Berg, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Knob,thumb,knurled,, cataloged under National Stock Number 4920-01-474-4653, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is W. M. Berg, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameKnob,thumb,knurled,
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersW. M. Berg, Inc. (CAGE 29440)
Technical Specifications
ParameterValue
NSN4920-01-474-4653
Primary Part NumberPD1-20
Item NameKnob,thumb,knurled,
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerW. M. Berg, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-826-5986PD-120 INTERCHANGEABLE
Plug,protective,dust and Moistur
Caplugs, Inc.
6640-01-571-9587PD-120 INTERCHANGEABLE
Dispenser,paraffin
Triangle Biomedical Sciences Inc. Dba T B S
5340-01-696-5298PD-120 INTERCHANGEABLE
Cap,protective,dust and Moisture
Fluid Conditioning Products, Inc.
Cross-Reference Index
Part NumberManufacturer
PD1-20 W. M. Berg, Inc. (USA)
Related Parts
5340-00-826-5986INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
PD-120
6640-01-571-9587INTERCHANGEABLE
DISPENSER,PARAFFIN
PD-120
5340-01-696-5298INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
PD-120

Frequently Asked Questions

What is NSN 4920-01-474-4653?

NSN 4920-01-474-4653 is a Knob,thumb,knurled,, manufactured by W. M. Berg, Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-474-4653?

NSN 4920-01-474-4653 has 1 cross-referenced part number: PD1-20 (W. M. Berg, Inc.).

What NSN replaces 4920-01-474-4653?

There are 3 known substitutes for 4920-01-474-4653: 5340-00-826-5986, 6640-01-571-9587, 5340-01-696-5298. Verify interchangeability with system specifications before substitution.

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