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1441M12P01 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1441M12P01: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN, fastener_length: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-244-5941, 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
1441M12P01
NSN: 5306-01-244-5941
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
thread_class3A A
thread_length0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
fastener_length0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.375 INCHES NOMINAL IN
nominal_thread_diameter0.3125 INCHES IN
extended_washer_diameter0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
first_diameter_from_head0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
third_diameter_from_head0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
NSN5306-01-244-5941
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1441M12P01 · 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
•
EXTENDED WASHER THICKNESS: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.190 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
HEAD HEIGHT0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
FASTENER LENGTH0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
THREAD LENGTH0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.190 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.3125 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1441M12P01?
1441M12P01 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 1441M12P01?
1441M12P01 is cataloged in the U.S. Government catalog under NSN 5306-01-244-5941. 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.