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Technical Data Sheet
PartsTable / COMPONENT / 99019-44
99019-44 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.880 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN, recess_diameter: 0.942 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN, outside_diameter: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN, style_designator: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7572, 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
99019-44
NSN: 5310-00-595-7572
FSC: 5310
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.880 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
recess_diameter0.942 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN
outside_diameter1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
style_designatorRECESSED
material_thickness0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
NSN5310-00-595-7572
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99019-44 · 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
•
RECESS DIAMETER: 0.942 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL THICKNESS: 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
RECESS ANGLE: 90.0 DEGREES NOMINAL
•
HOLE DIAMETER: 0.880 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RECESS DIAMETER0.942 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORRECESSED
MATERIAL THICKNESS0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
RECESS ANGLE90.0 DEGREES NOMINAL
HOLE DIAMETER0.880 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
21332Interchangeable
interchangeable cross-reference
interchangeable
45285-45221Interchangeable
interchangeable cross-reference
interchangeable
45285AND45221Interchangeable
interchangeable cross-reference
interchangeable
A2133-2Interchangeable
interchangeable cross-reference
interchangeable
15017NPC26Interchangeable
interchangeable cross-reference
interchangeable
N21332Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99019-44?
99019-44 is a WASHER,RECESSED.
What parts can replace 99019-44?
There are 14 known substitutes for 99019-44: 21332, 45285-45221, 45285AND45221 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99019-44?
99019-44 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7572. 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