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5F20-1041 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5F20-1041: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 8637 OVERALL, head_style: DEE CHAMFER, grip_length: 0.812 INCHES NOMINAL IN, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3125 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-272-1744, 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
5F20-1041
NSN: 5306-00-272-1744
FSC: 5306 — Bolts
CAGE: 10855 — CARRIER CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 8637 OVERALL
head_styleDEE CHAMFER
grip_length0.812 INCHES NOMINAL IN
head_height0.188 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.3125 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
head_diameter0.531 INCHES NOMINAL IN
thread_length0.562 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating297.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
thread_directionRIGHT-HAND
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-272-1744
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5F20-1041 · 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
•
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.562 INCHES MINIMUM IN
•
HARDNESS RATING: 297.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: DEE CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
THREAD LENGTH0.562 INCHES MINIMUM IN
HARDNESS RATING297.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEDEE CHAMFER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.812 INCHES NOMINAL IN
GRIP DIAMETER0.3125 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

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 5F20-1041?
5F20-1041 is a BOLT,CLOSE TOLERANCE.
What is the NSN for 5F20-1041?
5F20-1041 is cataloged in the U.S. Government catalog under NSN 5306-00-272-1744. 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.