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CV121263 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CV121263: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN, width_between_flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, internal_drive_style: W/O INTERNAL DRIVE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-271-3264, 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
CV121263
NSN: 5305-01-271-3264
FSC: 5305 — Screws
CAGE: K4365 — MANITOWOC CRANE GROUP (UK) LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
width_between_flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
extended_washer_diameter0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
extended_washer_thickness0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
nonmachine_nominal_thread_diameter0.190 INCHES IN
NSN5305-01-271-3264
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CV121263 · 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: 0.190 INCHES IN
•
EXTENDED WASHER THICKNESS: 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
WIDTH BETWEEN FLATS: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES IN
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
SUBSTITUTES & CROSS-REFERENCES 3
352258903174Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7790100653Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
453113Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CV121263?
CV121263 is a SCREW,TAPPING.
What parts can replace CV121263?
There are 3 known substitutes for CV121263: 352258903174, 7790100653, 453113. Substitute compatibility should be verified for your specific system.
What is the NSN for CV121263?
CV121263 is cataloged in the U.S. Government catalog under NSN 5305-01-271-3264. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.