PartsTable
Technical Data Sheet
235F21 ✓ 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 SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, width_between_flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-8226, 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
235F21
NSN: 5305-00-012-8226
FSC: 5305
CAGE: 13305 — CAM FABRICATED SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter0.375 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5305-00-012-8226
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 235F21 · 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
NONMACHINE NOMINAL THREAD DIAMETER: 0.375 INCHES IN
HEAD HEIGHT: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL: STEEL CORROSION RESISTING OVERALL
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD STYLEHEXAGON
FASTENER LENGTH0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
111655Interchangeable
interchangeable cross-reference
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FFS107TYPEBSTYLE10PInterchangeable
interchangeable cross-reference
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9420415Interchangeable
interchangeable cross-reference
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173394Interchangeable
interchangeable cross-reference
interchangeable
443552Interchangeable
interchangeable cross-reference
interchangeable
128226Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 235F21?
235F21 is a SCREW,TAPPING.
What parts can replace 235F21?
There are 14 known substitutes for 235F21: 111655, FFS107TYPEBSTYLE10P, 9420415 and 11 more. Substitute compatibility should be verified for your specific system.
Is 235F21 still available?
235F21 is currently cancelled.
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