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X64221 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

X64221: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED AND THREADED, head_style: HEXAGON, end_item_identification: AN/SPS-69 RADAR, hole_configuration_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-358-1873, 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
X64221
NSN: 5306-01-358-1873
FSC: 5306 — Bolts
CAGE: 51506 — ACCURATE SCREW MACHINE CORP DIV ACCURATE SCREW MACHINE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED AND THREADED
head_styleHEXAGON
hole_quantity8
end_item_identificationAN/SPS-69 RADAR
hole_configuration_styleROUND
NSN5306-01-358-1873
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X64221 · 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
•
HOLE CONFIGURATION STYLE: ROUND
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
HOLE QUANTITY: 8
•
HOLE TYPE: DRILLED AND THREADED
TECHNICAL CHARACTERISTICS
HOLE CONFIGURATION STYLEROUND
HEAD STYLEHEXAGON
END ITEM IDENTIFICATIONAN/SPS-69 RADAR
MATERIALSTEEL OVERALL
HOLE QUANTITY8
HOLE TYPEDRILLED AND THREADED
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
M8-1.25 X 35 HHCSUNSSPAA4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X64221?
X64221 is a BOLT,MACHINE.
What parts can replace X64221?
There is 1 known substitute for X64221: M8-1.25 X 35 HHCSUNSSPAA4. Substitute compatibility should be verified for your specific system.
What is the NSN for X64221?
X64221 is cataloged in the U.S. Government catalog under NSN 5306-01-358-1873. 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.