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121D234485-001 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

121D234485-001: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_length: 1.0 INCHES NOMINAL IN, fastener_length: 3.0 INCHES NOMINAL IN, special_features: PART OF TAIL ROTOR TRANSMISSION; WEIGHT: 0.01 POUNDS LBS, width_between_flats: 3.0 INCHES NOMINAL IN, end_item_identification: MELB: A/MH-6M, part_name_assigned_by_controlling_agency: BOLT, MACHINE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-725-5293, 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
121D234485-001
NSN: 5306-01-725-5293
FSC: 5306 — Bolts
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
head_length1.0 INCHES NOMINAL IN
fastener_length3.0 INCHES NOMINAL IN
special_featuresPART OF TAIL ROTOR TRANSMISSION; WEIGHT: 0.01 POUNDS LBS
width_between_flats3.0 INCHES NOMINAL IN
end_item_identificationMELB: A/MH-6M
part_name_assigned_by_controlling_agencyBOLT, MACHINE
NSN5306-01-725-5293
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121D234485-001 · 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
•
FASTENER LENGTH: 3.0 INCHES NOMINAL IN
•
HEAD LENGTH: 1.0 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 3.0 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.0 INCHES NOMINAL IN
HEAD LENGTH1.0 INCHES NOMINAL IN
WIDTH BETWEEN FLATS3.0 INCHES NOMINAL IN
SPECIAL FEATURESPART OF TAIL ROTOR TRANSMISSION; WEIGHT: 0.01 POUNDS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, MACHINE
END ITEM IDENTIFICATIONMELB: A/MH-6M
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
369R5856-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121D234485-001?
121D234485-001 is a BOLT,MACHINE.
What parts can replace 121D234485-001?
There is 1 known substitute for 121D234485-001: 369R5856-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 121D234485-001?
121D234485-001 is cataloged in the U.S. Government catalog under NSN 5306-01-725-5293. 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.