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Technical Data Sheet
188139 ✓ 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 PIN,TRUNNION is a the manufacturer industrial component. Key specifications include special_features: U/A: PIN ASSEMBLY,ROLLER ATTACH, fsc_application_data: MAIN LANDING GEAR,ROLLER ATTACH, end_item_identification: AIRCRAFT B1B, general_characteristics_item_description: 6.81 IN. LG;MATL 300M STEEL MIL-S8844 CLASS 3;LUBRICATOR P/N MS15001-1 IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0877, 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
188139
NSN: 5310-00-167-0877
FSC: 5310
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
special_featuresU/A: PIN ASSEMBLY,ROLLER ATTACH
fsc_application_dataMAIN LANDING GEAR,ROLLER ATTACH
end_item_identificationAIRCRAFT B1B
general_characteristics_item_description6.81 IN. LG;MATL 300M STEEL MIL-S8844 CLASS 3;LUBRICATOR P/N MS15001-1 IN
NSN5310-00-167-0877
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 188139 · 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
HOLE DIAMETER: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 0.325 INCHES MINIMUM AND 0.336 INCHES MAXIMUM IN
MATERIAL THICKNESS: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: FLAT INTERNAL TEETH
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.325 INCHES MINIMUM AND 0.336 INCHES MAXIMUM IN
MATERIAL THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5520Interchangeable
interchangeable cross-reference
interchangeable
BT5520Interchangeable
interchangeable cross-reference
interchangeable
B107.19 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
0500Interchangeable
interchangeable cross-reference
interchangeable
120800Interchangeable
interchangeable cross-reference
interchangeable
66995Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 188139?
188139 is a PIN,TRUNNION.
What parts can replace 188139?
There are 12 known substitutes for 188139: 5520, BT5520, B107.19 TY1CL1STA and 9 more. Substitute compatibility should be verified for your specific system.
Is 188139 still available?
188139 is currently cancelled.
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