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68NM62 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

68NM62: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY NUT, nut_style: HEXAGON, nut_height: 0.160 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-197-2275, 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
68NM62
NSN: 5310-00-197-2275
NIINs: 001972275, 006807543, 008575547
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY NUT
nut_styleHEXAGON
nut_height0.160 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
lubricationSOLUBLE LUBRICANT
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentANODIZE AND CHROMATE OVERALL EXCEPT INSERT
width_across_flats0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
NSN5310-00-197-2275
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68NM62 · 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: 0.313 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.172 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.313 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.172 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2B
THREAD QUANTITY PER INCH32
MATERIALALUMINUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
70-100036-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS20365D632Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN365D632Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68NM62?
68NM62 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 68NM62?
There are 3 known substitutes for 68NM62: 70-100036-12, MS20365D632, AN365D632. Substitute compatibility should be verified for your specific system.
What is the NSN for 68NM62?
68NM62 is cataloged in the U.S. Government catalog under NSN 5310-00-197-2275. This indicates validated use in U.S. government and defense supply chains.
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