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AEN48C500000WK2M51 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AEN48C500000WK2M51: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, surface_treatment: ZINC OVERALL, width_across_flats: 0.75 INCHES NOMINAL IN, nominal_thread_size: 0.50 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-699-3942, 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
AEN48C500000WK2M51
NSN: 5310-01-699-3942
FSC: 5310 — Nuts and Washers
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
surface_treatmentZINC OVERALL
width_across_flats0.75 INCHES NOMINAL IN
nominal_thread_size0.50 INCHES IN
thread_quantity_per_inch13
part_name_assigned_by_controlling_agencyLOCK NUT
NSN5310-01-699-3942
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AEN48C500000WK2M51 · 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: 0.75 INCHES NOMINAL IN
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
NOMINAL THREAD SIZE: 0.50 INCHES IN
•
SURFACE TREATMENT: ZINC OVERALL
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 13
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.75 INCHES NOMINAL IN
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
NOMINAL THREAD SIZE0.50 INCHES IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK NUT
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH13
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 1
92018A540-MAGNISame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AEN48C500000WK2M51?
AEN48C500000WK2M51 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace AEN48C500000WK2M51?
There is 1 known substitute for AEN48C500000WK2M51: 92018A540-MAGNI. Substitute compatibility should be verified for your specific system.
What is the NSN for AEN48C500000WK2M51?
AEN48C500000WK2M51 is cataloged in the U.S. Government catalog under NSN 5310-01-699-3942. 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.