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Technical Data Sheet
PP981 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The DISK,CLUTCH,VEHICULAR is a the manufacturer industrial component. Key specifications include disk_type: EXTERNAL LUG, design_type: DRY, flexibility: RIGID, disk_material: STEEL, special_features: ALTERNATE DISK TYPE: EXTERNAL TEETH, teeth_quantity_per_disk: 14. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-939-6605, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PP981
NSN: 2520-00-939-6605
FSC: 2520
CAGE: 79370 — THE S K WELLMAN CORP DBA WELLMAN FRICTION PRODUCTS (USA)
SPECIFICATIONS
disk_typeEXTERNAL LUG
design_typeDRY
flexibilityRIGID
disk_materialSTEEL
special_featuresALTERNATE DISK TYPE: EXTERNAL TEETH
teeth_quantity_per_disk14
NSN2520-00-939-6605
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK,CLUTCH,VEHICULAR TITLE COMPONENT PN PP981 MFR DISK,CLUTCH,VEHICULAR
KEY FEATURES
DISK MATERIAL: STEEL
FLEXIBILITY: RIGID
TEETH QUANTITY PER DISK: 14
DISK TYPE: EXTERNAL LUG
DESIGN TYPE: DRY
TECHNICAL CHARACTERISTICS (FLIS)
DISK MATERIALSTEEL
FLEXIBILITYRIGID
TEETH QUANTITY PER DISK14
DISK TYPEEXTERNAL LUG
SPECIAL FEATURESALTERNATE DISK TYPE: EXTERNAL TEETH
DESIGN TYPEDRY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
21716-2Interchangeable
interchangeable cross-reference
interchangeable
3450-990Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-85731/1Interchangeable
interchangeable cross-reference
interchangeable
3558051Interchangeable
interchangeable cross-reference
interchangeable
232394Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PP981?
PP981 is a DISK,CLUTCH,VEHICULAR.
What parts can replace PP981?
There are 5 known substitutes for PP981: 21716-2, 3450-990, MIL-DTL-85731/1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PP981?
PP981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-939-6605. This indicates validated use in U.S. government and defense supply chains.
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