PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 99023-72
99023-72 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.750 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, aperture_diameter: 1.040 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN, fsc_application_data: ENGINES,AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-4530, 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
99023-72
NSN: 5310-00-013-4530
FSC: 5310
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.750 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
aperture_diameter1.040 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
fsc_application_dataENGINES,AIRCRAFT
outside_corner_radius0.240 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
cross-sectional_thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_bolt_holes_along_width1.270 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
center_to_center_distance_between_bolt_holes_along_length1.270 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5310-00-013-4530
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99023-72 · 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
•
THREAD CLASS: 2B
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
BEARING SURFACE TYPE: FLAT
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 32
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPEFLAT
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
9902372Interchangeable
interchangeable cross-reference
interchangeable
23MS35649-62Interchangeable
interchangeable cross-reference
interchangeable
MS35649-62Interchangeable
interchangeable cross-reference
interchangeable
FFN836GPCTYPE2STYLE2GRADEAInterchangeable
interchangeable cross-reference
interchangeable
10121849Interchangeable
interchangeable cross-reference
interchangeable
SP574-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99023-72?
99023-72 is a NUT,PLAIN,HEXAGON.
What parts can replace 99023-72?
There are 16 known substitutes for 99023-72: 9902372, 23MS35649-62, MS35649-62 and 13 more. Substitute compatibility should be verified for your specific system.
Is 99023-72 still available?
99023-72 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