PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2AD101Cam Follower Assembly

Oshkosh Defense Llc · NSN 4820-01-155-0301 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-155-0301 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-155-0301. Primary manufacturer part number: 2AD101.
Features
  • Cam Follower Assembly — FSC 4820
  • Material: ZINC ALLOY
  • Surface Treatment: CHROMATE
  • General Characteristics Item Description: DIE CAST
  • 4 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Applications requiring Zinc Alloy construction
General Description

The Cam Follower Assembly, cataloged under National Stock Number 4820-01-155-0301, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-155-0301
Primary Part Number2AD101
Item NameCam Follower Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
MaterialZINC ALLOY
Surface TreatmentCHROMATE
General Characteristics Item DescriptionDIE CAST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
8040-01-033-7507 INTERCHANGEABLE
Adhesive
1005-01-715-0715104774 INTERCHANGEABLE
Guard,trigger
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
124275A ITEM 64 Oshkosh Corp (USA)
104774 Williams Controls Inc (USA)
2AD101 Oshkosh Corp (USA)
2AD101 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
8040-01-033-7507INTERCHANGEABLE
ADHESIVE
1005-01-715-0715INTERCHANGEABLE
GUARD,TRIGGER
104774

Frequently Asked Questions

What is NSN 4820-01-155-0301?

NSN 4820-01-155-0301 is a Cam Follower Assembly, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-155-0301?

NSN 4820-01-155-0301 has 4 cross-referenced part numbers: 124275A ITEM 64 (Oshkosh Corp), 104774 (Williams Controls Inc), 2AD101 (Oshkosh Corp), 2AD101 (Oshkosh Defense Llc).

What NSN replaces 4820-01-155-0301?

There are 2 known substitutes for 4820-01-155-0301: 8040-01-033-7507, 1005-01-715-0715. Verify interchangeability with system specifications before substitution.

What are the specifications of 2AD101?

Key specifications for 2AD101: Material: ZINC ALLOY; Surface Treatment: CHROMATE; General Characteristics Item Description: DIE CAST. 3 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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