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Technical Data Sheet
PartsTable / COMPONENT / 138597
138597 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, outside_diameter: 0.354 INCHES NOMINAL IN, style_designator: COUNTERSINK EXTERNAL TEETH, countersink_angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM, surface_treatment: CADMIUM OR ZINC AND CHROMATE OVERALL, material_thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-582-8716, 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
138597
NSN: 5310-00-582-8716
FSC: 5310
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
hole_diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
outside_diameter0.354 INCHES NOMINAL IN
style_designatorCOUNTERSINK EXTERNAL TEETH
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatmentCADMIUM OR ZINC AND CHROMATE OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
nondefinitive_spec/std_dataC TYPE
NSN5310-00-582-8716
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 138597 · 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
•
STYLE DESIGNATOR: COUNTERSINK EXTERNAL TEETH
•
NONDEFINITIVE SPEC/STD DATA: C TYPE
•
SURFACE TREATMENT: CADMIUM OR ZINC AND CHROMATE OVERALL
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
OUTSIDE DIAMETER: 0.354 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCOUNTERSINK EXTERNAL TEETH
NONDEFINITIVE SPEC/STD DATAC TYPE
SURFACE TREATMENTCADMIUM OR ZINC AND CHROMATE OVERALL
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
OUTSIDE DIAMETER0.354 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
1234582Interchangeable
interchangeable cross-reference
interchangeable
114614Interchangeable
interchangeable cross-reference
interchangeable
7416548Interchangeable
interchangeable cross-reference
interchangeable
1518Interchangeable
interchangeable cross-reference
interchangeable
114617Interchangeable
interchangeable cross-reference
interchangeable
1829P536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138597?
138597 is a WASHER,LOCK.
What parts can replace 138597?
There are 28 known substitutes for 138597: 1234582, 114614, 7416548 and 25 more. Substitute compatibility should be verified for your specific system.
Is 138597 still available?
138597 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