PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S387Sleeve Assembly,sliding

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-422-9581 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-422-9581 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-422-9581. Primary manufacturer part number: S387.
Features
  • Sleeve Assembly,sliding — FSC 2520
  • General Characteristics Item Description: STEEL,2.375 IN.H,4.625 IN.W,1.375 IN. ID IN
  • 2 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 Sleeve Assembly,sliding, cataloged under National Stock Number 2520-00-422-9581, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-422-9581
Primary Part NumberS387
Item NameSleeve Assembly,sliding
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,2.375 IN.H,4.625 IN.W,1.375 IN. ID IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-072-112860878 INTERCHANGEABLE
Seal,plain Encased
Waterous Company
5961-00-165-2903 INTERCHANGEABLE
Semiconductor Device,diode
3110-00-198-223115095-22 INTERCHANGEABLE
Cam Follower,needle Bearing
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5920-00-228-4491S1-6 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
5961-00-361-9140 INTERCHANGEABLE
Semiconductor Device,diode
5340-00-388-8780 INTERCHANGEABLE
Shield,expansion
4210-00-391-5691420295 INTERCHANGEABLE
Seat,ball
Tyco Fire Products Lp
2940-00-678-064151137 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2530-00-773-4791FC5376 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5360-00-823-9286 INTERCHANGEABLE
Spring
Cross-Reference Index
Part NumberManufacturer
S16 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
S387 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5330-00-072-1128INTERCHANGEABLE
SEAL,PLAIN ENCASED
60878
5961-00-165-2903INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3110-00-198-2231INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
15095-22
5920-00-228-4491INTERCHANGEABLE
FUSE,PLUG
S1-6
5961-00-361-9140INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5340-00-388-8780INTERCHANGEABLE
SHIELD,EXPANSION
4210-00-391-5691INTERCHANGEABLE
SEAT,BALL
420295
2940-00-678-0641INTERCHANGEABLE
FILTER ELEMENT,FLUID
51137
2530-00-773-4791INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
FC5376
5360-00-823-9286INTERCHANGEABLE
SPRING
3110-00-953-9407INTERCHANGEABLE
BEARING,BALL,ANNULAR
SSR-2RA7P25LD
5961-00-978-7660INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 2520-00-422-9581?

NSN 2520-00-422-9581 is a Sleeve Assembly,sliding, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-422-9581?

NSN 2520-00-422-9581 has 2 cross-referenced part numbers: S16 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), S387 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 2520-00-422-9581?

There are 12 known substitutes for 2520-00-422-9581: 5330-00-072-1128, 5961-00-165-2903, 3110-00-198-2231 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S387?

Key specifications for S387: General Characteristics Item Description: STEEL,2.375 IN.H,4.625 IN.W,1.375 IN. ID IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-422-9581 still in active supply?

NSN 2520-00-422-9581 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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