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281-0013 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

281-0013: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.688 INCHES NOMINAL IN, temp_rating: 105.0 CELSIUS NOMINAL DEGC, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 90.0 ROCKWELL R MINIMUM AND 100.0 ROCKWELL R MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-044-7494, 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
281-0013
NSN: 5310-01-044-7494
FSC: 5310 — Nuts and Washers
CAGE: 52151 — CONTINENTAL ELECTRONICS CORP (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.688 INCHES NOMINAL IN
temp_rating105.0 CELSIUS NOMINAL DEGC
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating90.0 ROCKWELL R MINIMUM AND 100.0 ROCKWELL R MAXIMUM
thread_directionRIGHT-HAND
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
thread_quantity_per_inch11
NSN5310-01-044-7494
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 281-0013 · 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: 1.062 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: 105.0 CELSIUS NOMINAL DEGC
•
HARDNESS RATING: 90.0 ROCKWELL R MINIMUM AND 100.0 ROCKWELL R MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
NUT HEIGHT: 0.688 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING105.0 CELSIUS NOMINAL DEGC
HARDNESS RATING90.0 ROCKWELL R MINIMUM AND 100.0 ROCKWELL R MAXIMUM
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
NUT HEIGHT0.688 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH11
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 281-0013?
281-0013 is a NUT,PLAIN,HEXAGON.
What is the NSN for 281-0013?
281-0013 is cataloged in the U.S. Government catalog under NSN 5310-01-044-7494. This indicates validated use in U.S. government and defense supply chains.
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