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3-58885-502 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3-58885-502: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: SQUARE, head_height: 0.250 INCHES NOMINAL IN, thread_length: 1.680 INCHES NOMINAL IN, fastener_length: 2.030 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-571-8964, 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
3-58885-502
NSN: 5306-01-571-8964
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
head_styleSQUARE
head_height0.250 INCHES NOMINAL IN
thread_length1.680 INCHES NOMINAL IN
fastener_length2.030 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats1.000 INCHES NOMINAL IN
end_item_identificationB52 AIRCRAFT
nominal_thread_diameter0.437 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5306-01-571-8964
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3-58885-502 · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.030 INCHES NOMINAL IN
•
THREAD LENGTH: 1.680 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.437 INCHES IN
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH2.030 INCHES NOMINAL IN
THREAD LENGTH1.680 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.437 INCHES IN
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONB52 AIRCRAFT
THREAD QUANTITY PER INCH20
MATERIALSTEEL COMP 4130 OVERALL
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 3-58885-502?
3-58885-502 is a BOLT,MACHINE.
What is the NSN for 3-58885-502?
3-58885-502 is cataloged in the U.S. Government catalog under NSN 5306-01-571-8964. 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.