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MB800-120 — NUT,BLIND ASSEMBLY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MB800-120: NUT,BLIND ASSEMBLY.

The NUT,BLIND ASSEMBLY is a the manufacturer industrial component. Key specifications include width: 12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM, material: STEEL CORROSION RESISTING OVERALL, special_features: BALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATEDBALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATED, part_name_assigned_by_controlling_agency: EXPANDER SERIES MB800EXPANDER SERIES MB800. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-659-4332, 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
MB800-120
NSN: 5310-01-659-4332
FSC: 5310 — Nuts and Washers
CAGE: 0VNM9 — SHEREX INDUSTRIES (USA)
SPECIFICATIONS
width12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
materialSTEEL CORROSION RESISTING OVERALL
special_featuresBALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATEDBALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATED
part_name_assigned_by_controlling_agencyEXPANDER SERIES MB800EXPANDER SERIES MB800
NSN5310-01-659-4332
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MB800-120 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH: 12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATEDBALL MT: BEARING DIN 1.0616/1.3505 HEAT TREATED
WIDTH12.0 MILLIMETERS NOMINAL12.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYEXPANDER SERIES MB800EXPANDER SERIES MB800
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MB800-120?
MB800-120 is a NUT,BLIND ASSEMBLY.
What is the NSN for MB800-120?
MB800-120 is cataloged in the U.S. Government catalog under NSN 5310-01-659-4332. 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.