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Technical Data Sheet
PartsTable / COMPONENT / 51380
51380 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: PAPER FILTERING MEDIUM, design_type: NONREUSABLE, body_diameter: 3.812 INCHES NOMINAL IN, flow_direction: OUTSIDE IN, special_features: AM GENERAL JEEP,1987-89; GRUMMAN AEROSPACE A-10 AIRCRAFT, style_designator: CYLINDRICAL W/ INTEGRAL OUTER CASING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-133-0639, 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
51380
NSN: 5310-01-133-0639
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
design_typeNONREUSABLE
body_diameter3.812 INCHES NOMINAL IN
flow_directionOUTSIDE IN
special_featuresAM GENERAL JEEP,1987-89; GRUMMAN AEROSPACE A-10 AIRCRAFT
style_designatorCYLINDRICAL W/ INTEGRAL OUTER CASING
features_providedANTIDRAIN BACK DEVICE
body_overall_length3.875 INCHES NOMINAL IN
nominal_thread_size1.5 MILLIMETERS MM
end_item_identificationT-38, B-52, OV-10A, C-5, T-37 AIRCRAFT SUPPORT EQUIPMENT. A
media_for_which_designedFUEL/OIL, HYDROCARBON
filtering_system_for_which_designedFULL FLOW
NSN5310-01-133-0639
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51380 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
51380Interchangeable
interchangeable cross-reference
interchangeable
51381Interchangeable
interchangeable cross-reference
interchangeable
PH3562Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51380?
51380 is a FILTER ELEMENT,FLUID.
What parts can replace 51380?
There are 3 known substitutes for 51380: 51380, 51381, PH3562. Substitute compatibility should be verified for your specific system.
What is the NSN for 51380?
51380 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-133-0639. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026