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Technical Data Sheet
PartsTable / COMPONENT / 1A33
1A33 ✓ 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 INSULATING COMPOUND,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_class: 2A A, physical_form: LIQUID, thread_length: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-209-3502, 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
1A33
NSN: 5306-00-209-3502
FSC: 5306
CAGE: 72692 — GENERAL FILTERS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
thread_class2A A
physical_formLIQUID
thread_length0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
fastener_length3.547 INCHES MINIMUM AND 3.577 INCHES MAXIMUM IN
special_featuresTYPE UR
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
unit_package_typeCAN
NSN5306-00-209-3502
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1A33 · 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
•
WIDTH BETWEEN FLATS: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 16
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
THREAD LENGTH0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
SURFACE TREATMENTCADMIUM OVERALL
FASTENER LENGTH3.547 INCHES MINIMUM AND 3.577 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1A33LUInterchangeable
interchangeable cross-reference
interchangeable
PC18MInterchangeable
interchangeable cross-reference
interchangeable
32101JDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A33?
1A33 is a INSULATING COMPOUND,ELECTRICAL.
What parts can replace 1A33?
There are 3 known substitutes for 1A33: 1A33LU, PC18M, 32101JD. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A33?
1A33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-209-3502. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026