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PartsTable / COMPONENT / PMS19070-001-03
PMS19070-001-03 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include hole_diameter: 18.5 MILLIMETERS NOMINAL MM, outside_diameter: 26.0 MILLIMETERS NOMINAL MM, style_designator: KEY, material_thickness: 1.0 MILLIMETERS NOMINAL MM, external_key_quantity: 19, external_prebent_key_width: 4.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-033-1609, 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
PMS19070-001-03
NSN: 5310-01-033-1609
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
hole_diameter18.5 MILLIMETERS NOMINAL MM
outside_diameter26.0 MILLIMETERS NOMINAL MM
style_designatorKEY
material_thickness1.0 MILLIMETERS NOMINAL MM
external_key_quantity19
external_prebent_key_width4.0 MILLIMETERS NOMINAL MM
internal_prebent_key_width4.0 MILLIMETERS NOMINAL MM
overall_distance_including_keys36.0 MILLIMETERS NOMINAL MM
NSN5310-01-033-1609
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PMS19070-001-03 · 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 THICKNESS: 1.0 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 18.5 MILLIMETERS NOMINAL MM
•
EXTERNAL PREBENT KEY WIDTH: 4.0 MILLIMETERS NOMINAL MM
•
EXTERNAL KEY QUANTITY: 19
•
INTERNAL PREBENT KEY WIDTH: 4.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 26.0 MILLIMETERS NOMINAL MM
•
OVERALL DISTANCE INCLUDING KEYS: 36.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS1.0 MILLIMETERS NOMINAL MM
HOLE DIAMETER18.5 MILLIMETERS NOMINAL MM
EXTERNAL PREBENT KEY WIDTH4.0 MILLIMETERS NOMINAL MM
EXTERNAL KEY QUANTITY19
INTERNAL PREBENT KEY WIDTH4.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORKEY
OUTSIDE DIAMETER26.0 MILLIMETERS NOMINAL MM
OVERALL DISTANCE INCLUDING KEYS36.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MB4Interchangeable
interchangeable cross-reference
interchangeable
3462538Interchangeable
interchangeable cross-reference
interchangeable
26100Interchangeable
interchangeable cross-reference
interchangeable
1127-0008-P10Interchangeable
interchangeable cross-reference
interchangeable
MILT4974BTYPEMB4Interchangeable
interchangeable cross-reference
interchangeable
MCC-XZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PMS19070-001-03?
PMS19070-001-03 is a WASHER,KEY.
What parts can replace PMS19070-001-03?
There are 6 known substitutes for PMS19070-001-03: MB4, 3462538, 26100 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PMS19070-001-03?
PMS19070-001-03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-033-1609. 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