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PartsTable / COMPONENT / 189322
189322 ✓ 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 PISTON,AIRCRAFT,HYD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, surface_treatment: PASSIVATE OVERALL, pin_overall_length: 0.312 INCHES NOMINAL IN, pin_size_designation: 7/0, material_document_and_classification: QQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5976, 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
189322
NSN: 5315-00-221-5976
FSC: 5315
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
surface_treatmentPASSIVATE OVERALL
pin_overall_length0.312 INCHES NOMINAL IN
pin_size_designation7/0
material_document_and_classificationQQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-221-5976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 189322 · 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 COMP 303 OVERALL
•
PIN OVERALL LENGTH: 0.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PIN SIZE DESIGNATION: 7/0
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 OVERALL
PIN OVERALL LENGTH0.312 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
PIN SIZE DESIGNATION7/0
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
15021Interchangeable
interchangeable cross-reference
interchangeable
CAKX1AMInterchangeable
interchangeable cross-reference
interchangeable
GAA6934CInterchangeable
interchangeable cross-reference
interchangeable
FFB571ANDTYPE2Interchangeable
interchangeable cross-reference
interchangeable
70-5-16Interchangeable
interchangeable cross-reference
interchangeable
18932-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 189322?
189322 is a PISTON,AIRCRAFT,HYD.
What parts can replace 189322?
There are 11 known substitutes for 189322: 15021, CAKX1AM, GAA6934C and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 189322?
189322 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5976. 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