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Technical Data Sheet
PartsTable / COMPONENT / 851P2
851P2 ✓ 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 CAP,DUST,PROPELLER SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 4.750 INCHES NOMINAL IN, body_height: 6.750 INCHES NOMINAL IN, body_length: 5.875 INCHES NOMINAL IN, thread_size: 3-5/8-16, overall_width: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-640-3761, 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
851P2
NSN: 2520-00-640-3761
FSC: 2520
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL
body_width4.750 INCHES NOMINAL IN
body_height6.750 INCHES NOMINAL IN
body_length5.875 INCHES NOMINAL IN
thread_size3-5/8-16
overall_width0.750 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
inside_diameter3.557 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter3.649 INCHES MINIMUM AND 3.658 INCHES MAXIMUM IN
NSN2520-00-640-3761
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,DUST,PROPELLER SHAFT TITLE COMPONENT PN 851P2 MFR CAP,DUST,PROPELLER SHA
KEY FEATURES
•
OUTSIDE DIAMETER: 3.649 INCHES MINIMUM AND 3.658 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: SCREW ON
•
PLAIN HOLE DIAMETER: 3.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.649 INCHES MINIMUM AND 3.658 INCHES MAXIMUM IN
THREAD LENGTH0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - COUGAR
MATERIALSTEEL
STYLE DESIGNATORSCREW ON
SPECIAL FEATURES3/64 IN. BY 45 DEG CHAMFER ON ID;R.H.THD;GRIPPING SURFACE CONDITION-PLAIN;MATL THK 0.092/0.096 IN.;SCREW THD SERIES DESIGNATOR-16N IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
PLAIN HOLE DIAMETER3.281 INCHES NOMINAL IN
INSIDE DIAMETER3.557 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
THREAD SIZE3-5/8-16
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
373289-1Interchangeable
interchangeable cross-reference
interchangeable
17001Interchangeable
interchangeable cross-reference
interchangeable
42924Interchangeable
interchangeable cross-reference
interchangeable
851P2Interchangeable
interchangeable cross-reference
interchangeable
12818Interchangeable
interchangeable cross-reference
interchangeable
5B3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 851P2?
851P2 is a CAP,DUST,PROPELLER SHAFT.
What parts can replace 851P2?
There are 18 known substitutes for 851P2: 373289-1, 17001, 42924 and 15 more. Substitute compatibility should be verified for your specific system.
Is 851P2 still available?
851P2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026