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Technical Data Sheet
PartsTable / COMPONENT / 180128
180128 ✓ 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

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES NOMINAL IN, fastener_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-543-4497, 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
180128
NSN: 5305-00-543-4497
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length1.750 INCHES NOMINAL IN
fastener_length1.750 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
NSN5305-00-543-4497
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 180128 · 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
•
THREAD QUANTITY PER INCH: 16
•
THREAD LENGTH: 1.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 5 GRADE
•
MATERIAL: STEEL OVERALL
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH16
THREAD LENGTH1.750 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 5 GRADE
MATERIALSTEEL OVERALL
THREAD CLASS2A A
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
818-717CInterchangeable
interchangeable cross-reference
interchangeable
122168AInterchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE2STYLE10PGRADE2Interchangeable
interchangeable cross-reference
interchangeable
67296Interchangeable
interchangeable cross-reference
interchangeable
68036Interchangeable
interchangeable cross-reference
interchangeable
287SGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 180128?
180128 is a MICROCIRCUIT,DIGITAL.
What parts can replace 180128?
There are 15 known substitutes for 180128: 818-717C, 122168A, FFS85TYPE2STYLE10PGRADE2 and 12 more. Substitute compatibility should be verified for your specific system.
Is 180128 still available?
180128 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