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PartsTable / COMPONENT / SF63-8X1 1-2
SF63-8X1 1-2 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, head_height: 0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN, point_style: FULL DOG, thread_class: 3A A, thread_length: 1.500 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 5305-00-257-1976, 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
SF63-8X1 1-2
NSN: 5305-00-257-1976
FSC: 5305
CAGE: 88080 — COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
point_styleFULL DOG
thread_class3A A
thread_length1.500 INCHES MAXIMUM IN
fastener_length1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_between_flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-00-257-1976
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SF63-8X1 1-2 · 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
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
•
POINT STYLE: FULL DOG
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
•
THREAD LENGTH: 1.500 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
POINT STYLEFULL DOG
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
THREAD LENGTH1.500 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
FFS103TYPE1STYLE5Interchangeable
interchangeable cross-reference
interchangeable
11444Interchangeable
interchangeable cross-reference
interchangeable
FFS103,TY1,ST5Interchangeable
interchangeable cross-reference
interchangeable
H2311 PIECE 38Interchangeable
interchangeable cross-reference
interchangeable
113060Interchangeable
interchangeable cross-reference
interchangeable
H2311 PIECE 39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SF63-8X1 1-2?
SF63-8X1 1-2 is a SETSCREW.
What parts can replace SF63-8X1 1-2?
There are 14 known substitutes for SF63-8X1 1-2: FFS103TYPE1STYLE5, 11444, FFS103,TY1,ST5 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SF63-8X1 1-2?
SF63-8X1 1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-257-1976. 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