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Technical Data Sheet
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XB-128 — XB-128

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

XB-128: XB-128.

The XB-128 is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 9 OTHER WEAPON SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-486-5292, 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
XB-128
NSN: 5305-00-486-5292
FSC: 5305 — Screws
CAGE: 74410 — SAF-HOLLAND, INC. (USA)
SPECIFICATIONS
end_item_identificationMRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 9 OTHER WEAPON SYSTEMS
NSN5305-00-486-5292
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: XB-128 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 9 OTHER WEAPON SYSTEMS
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 3
4MB641Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A210785P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
128-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 XB-128?
XB-128 is a XB-128.
What parts can replace XB-128?
There are 3 known substitutes for XB-128: 4MB641, A210785P11, 128-1. Substitute compatibility should be verified for your specific system.
What is the NSN for XB-128?
XB-128 is cataloged in the U.S. Government catalog under NSN 5305-00-486-5292. This indicates validated use in U.S. government and defense supply chains.
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