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Technical Data Sheet
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103-3020-9 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

103-3020-9: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 2.500 INCHES NOMINAL IN, fastener_length: 5.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-131-5025, 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
103-3020-9
NSN: 5306-01-131-5025
FSC: 5306 — Bolts
CAGE: 09552 — ATEC INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class3A A
thread_length2.500 INCHES NOMINAL IN
fastener_length5.094 INCHES NOMINAL IN
special_featuresALTERED FROM AN8H50
thread_directionRIGHT-HAND
width_between_flats0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5306-01-131-5025
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 103-3020-9 · 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: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.094 INCHES NOMINAL IN
•
THREAD LENGTH: 2.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FASTENER LENGTH5.094 INCHES NOMINAL IN
THREAD LENGTH2.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
SPECIAL FEATURESALTERED FROM AN8H50
THREAD CLASS3A A
THREAD QUANTITY PER INCH20
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 103-3020-9?
103-3020-9 is a BOLT,MACHINE.
What is the NSN for 103-3020-9?
103-3020-9 is cataloged in the U.S. Government catalog under NSN 5306-01-131-5025. 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.