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PartsTable / COMPONENT / 150-619FPC125
150-619FPC125 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flat_height: 0.062 INCHES NOMINAL IN, overall_width: 0.250 INCHES NOMINAL IN, overall_height: 0.438 INCHES NOMINAL IN, overall_length: 0.562 INCHES NOMINAL IN, style_designator: STEPPED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-663-3169, 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
150-619FPC125
NSN: 5315-00-663-3169
FSC: 5315
CAGE: 27235 — HARDIE-TYNES CO., INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flat_height0.062 INCHES NOMINAL IN
overall_width0.250 INCHES NOMINAL IN
overall_height0.438 INCHES NOMINAL IN
overall_length0.562 INCHES NOMINAL IN
style_designatorSTEPPED
first_flat_length0.500 INCHES NOMINAL IN
starting_edge_shapeSTRAIGHT
material_document_and_classificationMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-663-3169
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 150-619FPC125 · 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
•
FIRST FLAT LENGTH: 0.500 INCHES NOMINAL IN
•
FLAT HEIGHT: 0.062 INCHES NOMINAL IN
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: STEPPED
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST FLAT LENGTH0.500 INCHES NOMINAL IN
FLAT HEIGHT0.062 INCHES NOMINAL IN
STARTING EDGE SHAPESTRAIGHT
OVERALL HEIGHT0.438 INCHES NOMINAL IN
STYLE DESIGNATORSTEPPED
MATERIALSTEEL OVERALL
OVERALL LENGTH0.562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
201-25Interchangeable
interchangeable cross-reference
interchangeable
672-1001-000Interchangeable
interchangeable cross-reference
interchangeable
134-021-0002Interchangeable
interchangeable cross-reference
interchangeable
110 1-25/64Interchangeable
interchangeable cross-reference
interchangeable
53189Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 150-619FPC125?
150-619FPC125 is a KEY,MACHINE.
What parts can replace 150-619FPC125?
There are 21 known substitutes for 150-619FPC125: 201-25, 672-1001-000, 134-021-0002 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 150-619FPC125?
150-619FPC125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-663-3169. 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