PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1807ALining,friction

The S K Wellman Corp Dba Wellman Friction Products · NSN 3040-00-592-9378 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-592-9378 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-592-9378. Primary manufacturer part number: S1807A.
Features
  • Lining,friction — FSC 3040
  • Attachment Method: RIVETED
  • Circular Pattern Hole Type and Quantity: 24 COUNTERBORED OUTER SECURING CIRCLE
  • Circular Pattern Hole Type and Quantity: 16 COUNTERBORED INNER SECURING CIRCLE
  • Minor Diameter: 8.000 INCHES NOMINAL IN
  • Mounting Hole Circle Diameter: 16.750 INCHES NOMINAL AND 13.250 INCHES NOMINAL AND 9.250 INCHES NOMINAL IN
  • Application Type: DRY
  • Features Provided: RIGID FRICTION LINING
Applications
  • Applications requiring Asbestos Friction Lining construction
General Description

The Lining,friction, cataloged under National Stock Number 3040-00-592-9378, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The S K Wellman Corp Dba Wellman Friction Products. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-592-9378
Primary Part NumberS1807A
Item NameLining,friction
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerThe S K Wellman Corp Dba Wellman Friction Products
StatusCANCELLED
Attachment MethodRIVETED
Circular Pattern Hole Type and Quantity24 COUNTERBORED OUTER SECURING CIRCLE
Circular Pattern Hole Type and Quantity16 COUNTERBORED INNER SECURING CIRCLE
Minor Diameter8.000 INCHES NOMINAL IN
Mounting Hole Circle Diameter16.750 INCHES NOMINAL AND 13.250 INCHES NOMINAL AND 9.250 INCHES NOMINAL IN
Application TypeDRY
Features ProvidedRIGID FRICTION LINING
Lining StyleCLUTCH DISK
Hole Type and Quantity56 COUNTERBORED
Surface Condition and LocationBOTH SIDES GROUND
Major Diameter18.000 INCHES NOMINAL IN
MaterialASBESTOS FRICTION LINING
Mounting Hole Diameter0.404 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Thickness0.134 INCHES NOMINAL IN
Fabrication MethodCOMPRESSED AND WOVEN
Hole Arrangement StyleINDEFINITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-468-9776212-63-0124PC11SH1 INTERCHANGEABLE
Wrench,box
Naval Ship Systems Command
6625-01-320-6673 INTERCHANGEABLE
Rf Transfer Standard
Cross-Reference Index
Part NumberManufacturer
S1807A The S K Wellman Corp Dba Wellman Friction Products (USA)
1807A Cmbf Products Inc (USA)
1807A Raybestos-Manhattan Inc (USA)
7F3602 Caterpillar Inc Div Caterpillar Defense (USA)
1807A The S K Wellman Corp Dba Wellman Friction Products (USA)
Related Parts
5120-00-468-9776INTERCHANGEABLE
WRENCH,BOX
212-63-0124PC11SH1
6625-01-320-6673INTERCHANGEABLE
RF TRANSFER STANDARD

Frequently Asked Questions

What is NSN 3040-00-592-9378?

NSN 3040-00-592-9378 is a Lining,friction, manufactured by The S K Wellman Corp Dba Wellman Friction Products, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-592-9378?

NSN 3040-00-592-9378 has 5 cross-referenced part numbers: S1807A (The S K Wellman Corp Dba Wellman Friction Products), 1807A (Cmbf Products Inc), 1807A (Raybestos-Manhattan Inc), 7F3602 (Caterpillar Inc Div Caterpillar Defense), 1807A (The S K Wellman Corp Dba Wellman Friction Products).

What NSN replaces 3040-00-592-9378?

There are 2 known substitutes for 3040-00-592-9378: 5120-00-468-9776, 6625-01-320-6673. Verify interchangeability with system specifications before substitution.

What are the specifications of S1807A?

Key specifications for S1807A: Attachment Method: RIVETED; Circular Pattern Hole Type and Quantity: 24 COUNTERBORED OUTER SECURING CIRCLE; Special Features: W/STEEL BACK PLATE; Circular Pattern Hole Type and Quantity: 16 COUNTERBORED INNER SECURING CIRCLE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-592-9378 still in active supply?

NSN 3040-00-592-9378 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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