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3M1263-6-23 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M1263-6-23: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: COBALT COMP MP-35-N OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.437 INCHES NOMINAL IN, head_height: 0.337 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.614 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-393-0860, 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
3M1263-6-23
NSN: 5306-01-393-0860
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialCOBALT COMP MP-35-N OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length1.437 INCHES NOMINAL IN
head_height0.337 INCHES NOMINAL IN
thread_class3A A
thread_length0.614 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES FASTENER
fastener_length2.036 INCHES MINIMUM AND 2.066 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPASSIVATE OVERALL
width_between_flats0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
NSN5306-01-393-0860
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M1263-6-23 · 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
•
SURFACE FINISH: 32.0 MICROINCHES BEARING SURFACE OF HEAD
•
EXTENDED WASHER THICKNESS: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.337 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.036 INCHES MINIMUM AND 2.066 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.614 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES FASTENER
EXTENDED WASHER THICKNESS0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
HEAD HEIGHT0.337 INCHES NOMINAL IN
FASTENER LENGTH2.036 INCHES MINIMUM AND 2.066 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
THREAD LENGTH0.614 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
PBF1626Reference document
Same NSN cross-reference
Reference document — Secondary 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 3M1263-6-23?
3M1263-6-23 is a BOLT,MACHINE.
What parts can replace 3M1263-6-23?
There is 1 known substitute for 3M1263-6-23: PBF1626. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M1263-6-23?
3M1263-6-23 is cataloged in the U.S. Government catalog under NSN 5306-01-393-0860. This indicates validated use in U.S. government and defense supply chains.
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