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Y00021128 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

Y00021128: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 6.4 MILLIMETERS MINIMUM AND 6.8 MILLIMETERS MAXIMUM MM, thread_series: ISO M, thread_direction: RIGHT-HAND, width_across_flats: 13.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-563-4613, 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
Y00021128
NSN: 5310-01-563-4613
FSC: 5310 — Nuts and Washers
CAGE: FAFH7 — SOFRAME (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height6.4 MILLIMETERS MINIMUM AND 6.8 MILLIMETERS MAXIMUM MM
thread_seriesISO M
thread_directionRIGHT-HAND
width_across_flats13.0 MILLIMETERS NOMINAL MM
nominal_thread_size8.0 MILLIMETERS MM
part_name_assigned_by_controlling_agencyHEXAGON NUT
NSN5310-01-563-4613
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y00021128 · 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 ACROSS FLATS: 13.0 MILLIMETERS NOMINAL MM
•
THREAD SERIES: ISO M
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 8.0 MILLIMETERS MM
•
NUT HEIGHT: 6.4 MILLIMETERS MINIMUM AND 6.8 MILLIMETERS MAXIMUM MM
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS13.0 MILLIMETERS NOMINAL MM
THREAD SERIESISO M
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE8.0 MILLIMETERS MM
NUT HEIGHT6.4 MILLIMETERS MINIMUM AND 6.8 MILLIMETERS MAXIMUM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEXAGON NUT
NUT STYLEHEXAGON
MATERIALSTEEL 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Y00021128?
Y00021128 is a NUT,PLAIN,HEXAGON.
What is the NSN for Y00021128?
Y00021128 is cataloged in the U.S. Government catalog under NSN 5310-01-563-4613. 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.