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PartsTable / COMPONENT / MIL-001-457
MIL-001-457 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 18.0 MILLIMETERS NOMINAL MM, special_features: USE WITH GRADE 10.9 CAP SCREWS, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, width_across_flats: 32.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-566-0747, 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
MIL-001-457
NSN: 5310-01-566-0747
FSC: 5310
CAGE: 0UJB5 — FASCAN INTERNATIONAL, INC. (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height18.0 MILLIMETERS NOMINAL MM
thread_seriesM
special_featuresUSE WITH GRADE 10.9 CAP SCREWS
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats32.0 MILLIMETERS NOMINAL MM
nominal_thread_size22.0 MILLIMETERS MM
end_item_identification2350-01-558-3273 INTERROGATION ARM ASSEMBLY
hole_configuration_styleCONFIGURATION C
thread_pitch_in_millimeters2.50
part_name_assigned_by_controlling_agencyHEX NUT
NSN5310-01-566-0747
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-001-457 · 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
•
THREAD SERIES: M
•
NUT HEIGHT: 18.0 MILLIMETERS NOMINAL MM
•
WIDTH ACROSS FLATS: 32.0 MILLIMETERS NOMINAL MM
•
NUT STYLE: HEXAGON
•
HOLE CONFIGURATION STYLE: CONFIGURATION C
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESM
NUT HEIGHT18.0 MILLIMETERS NOMINAL MM
WIDTH ACROSS FLATS32.0 MILLIMETERS NOMINAL MM
NUT STYLEHEXAGON
HOLE CONFIGURATION STYLECONFIGURATION C
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESUSE WITH GRADE 10.9 CAP SCREWS
END ITEM IDENTIFICATION2350-01-558-3273 INTERROGATION ARM ASSEMBLY
NOMINAL THREAD SIZE22.0 MILLIMETERS MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
40036800Interchangeable
interchangeable cross-reference
interchangeable
69365Interchangeable
interchangeable cross-reference
interchangeable
69336Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-001-457?
MIL-001-457 is a NUT,PLAIN,HEXAGON.
What parts can replace MIL-001-457?
There are 3 known substitutes for MIL-001-457: 40036800, 69365, 69336. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-001-457?
MIL-001-457 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-566-0747. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026