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Technical Data Sheet
PartsTable / COMPONENT / RL88A
RL88A ✓ 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, overall_width: 0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, overall_height: 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, overall_length: 1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-496-5354, 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
RL88A
NSN: 5315-00-496-5354
FSC: 5315
CAGE: 35211 — LAUSON DIVISION OF TECUMSEH PRODUCTS CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
overall_height0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
overall_length1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
NSN5315-00-496-5354
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RL88A · 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 OVERALL
•
STYLE DESIGNATOR: PLAIN
•
STARTING EDGE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
OVERALL LENGTH1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
OVERALL WIDTH0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
21706Interchangeable
interchangeable cross-reference
interchangeable
52583Interchangeable
interchangeable cross-reference
interchangeable
31044Interchangeable
interchangeable cross-reference
interchangeable
10314589Interchangeable
interchangeable cross-reference
interchangeable
27185Interchangeable
interchangeable cross-reference
interchangeable
CB27466-028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RL88A?
RL88A is a KEY,MACHINE.
What parts can replace RL88A?
There are 7 known substitutes for RL88A: 21706, 52583, 31044 and 4 more. Substitute compatibility should be verified for your specific system.
Is RL88A still available?
RL88A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026