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PartsTable / COMPONENT / A72498
A72498 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.380 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: SLOTTED, eyelet_length: 0.257 INCHES NOMINAL IN, stud_head_height: 0.098 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-290-8028, 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
A72498
NSN: 5325-00-290-8028
FSC: 5325
CAGE: 58250 — BALLANTYNE OF OMAHA INC. (USA)
SPECIFICATIONS
diameter0.380 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeSLOTTED
eyelet_length0.257 INCHES NOMINAL IN
stud_head_height0.098 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeWASHER
eyelet_outside_diameter0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_styleSTUD HEAD
material_accommodated_thickness0.141 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
distance_from_engaging_member_to_largest_bearing_surface_of_head0.513 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
NSN5325-00-290-8028
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A72498 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DIAMETER: 0.380 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SECURING DEVICE TYPE: WASHER
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.513 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: STUD HEAD
•
STUD HEAD HEIGHT: 0.098 INCHES NOMINAL IN
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.380 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SECURING DEVICE TYPEWASHER
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.513 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLESTUD HEAD
STUD HEAD HEIGHT0.098 INCHES NOMINAL IN
STUD ASSEMBLY STYLESTUD ASSEMBLY
EYELET OUTSIDE DIAMETER0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
EYELET LENGTH0.257 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
10-40450-24SInterchangeable
interchangeable cross-reference
interchangeable
124-30Interchangeable
interchangeable cross-reference
interchangeable
64604-1Interchangeable
interchangeable cross-reference
interchangeable
4002-4Interchangeable
interchangeable cross-reference
interchangeable
1N34AInterchangeable
interchangeable cross-reference
interchangeable
16T51734-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A72498?
A72498 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace A72498?
There are 22 known substitutes for A72498: 10-40450-24S, 124-30, 64604-1 and 19 more. Substitute compatibility should be verified for your specific system.
Is A72498 still available?
A72498 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