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A122A2-66 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A122A2-66: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CLINCH, nut_height: 0.240 INCHES MAXIMUM IN, temp_rating: -75.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC, pilot_length: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-331-3638, 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
A122A2-66
NSN: 5310-00-331-3638
FSC: 5310 — Nuts and Washers
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCLINCH
nut_height0.240 INCHES MAXIMUM IN
temp_rating-75.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC
pilot_length0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
locking_featureFREE-RUNNING ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES IN
NSN5310-00-331-3638
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A122A2-66 · 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: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: -75.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
PILOT DIAMETER: 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
PILOT LENGTH: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
LOCKING FEATURE: FREE-RUNNING ALL METAL DESIGN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING-75.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
PILOT DIAMETER0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
PILOT LENGTH0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
LOCKING FEATUREFREE-RUNNING ALL METAL DESIGN
NUT HEIGHT0.240 INCHES MAXIMUM IN
NUT STYLECLINCH
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A122A2-66?
A122A2-66 is a NUT,SELF-LOCKING,CLINCH.
What is the NSN for A122A2-66?
A122A2-66 is cataloged in the U.S. Government catalog under NSN 5310-00-331-3638. This indicates validated use in U.S. government and defense supply chains.
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