PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1535Finger Lever

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-01-104-3481 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-104-3481 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-104-3481. Primary manufacturer part number: A1535.
Features
  • Finger Lever — FSC 2520
  • 4 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Finger Lever, cataloged under National Stock Number 2520-01-104-3481, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFinger Lever
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN2520-01-104-3481
Primary Part NumberA1535
Item NameFinger Lever
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-867478188K2 INTERCHANGEABLE
Contact,electrical
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
8455-00-137-2556 INTERCHANGEABLE
Insignia,shoulder Sleeve
2920-00-374-2531A1535 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
8455-00-741-4728 INTERCHANGEABLE
Insignia,shoulder Sleeve
5325-00-828-9322A1535 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
2520-01-104-3482A4891 INTERCHANGEABLE
Hub and Back Plate
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3020-01-104-3483B6071 INTERCHANGEABLE
Gear,drive Motion
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3040-01-104-4600X117-C-8A INTERCHANGEABLE
Collar,shaft
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2520-01-104-4601B1293 INTERCHANGEABLE
Lever
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2520-01-104-4602A4249A INTERCHANGEABLE
Floating Plate
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
1TD681 Oshkosh Defense Llc (USA)
X9816J Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1TD681 Oshkosh Corp (USA)
A1535 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5999-00-035-8674INTERCHANGEABLE
CONTACT,ELECTRICAL
78188K2
8455-00-137-2556INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
2920-00-374-2531INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
A1535
8455-00-741-4728INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5325-00-828-9322INTERCHANGEABLE
EYELET,METALLIC
A1535
2520-01-104-3482INTERCHANGEABLE
HUB AND BACK PLATE
A4891
3020-01-104-3483INTERCHANGEABLE
GEAR,DRIVE MOTION
B6071
3040-01-104-4600INTERCHANGEABLE
COLLAR,SHAFT
X117-C-8A
2520-01-104-4601INTERCHANGEABLE
LEVER
B1293
2520-01-104-4602INTERCHANGEABLE
FLOATING PLATE
A4249A
2520-01-104-4603INTERCHANGEABLE
DRIVEN PLATE
3790H
2520-01-104-4604INTERCHANGEABLE
DRIVER PLATE
A3383F

Frequently Asked Questions

What is NSN 2520-01-104-3481?

NSN 2520-01-104-3481 is a Finger Lever, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-104-3481?

NSN 2520-01-104-3481 has 4 cross-referenced part numbers: 1TD681 (Oshkosh Defense Llc), X9816J (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1TD681 (Oshkosh Corp), A1535 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 2520-01-104-3481?

There are 12 known substitutes for 2520-01-104-3481: 5999-00-035-8674, 8455-00-137-2556, 2920-00-374-2531 and 9 more. Verify interchangeability with system specifications before substitution.

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