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SE2020-7A — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SE2020-7A: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1040 OVERALL, nut_style: HEXAGON, nut_height: 0.750 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-409-3692, 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
SE2020-7A
NSN: 5310-00-409-3692
FSC: 5310 — Nuts and Washers
CAGE: 76257 — CROSBY GROUP INC THE MCKISSICK PLANT DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1040 OVERALL
nut_styleHEXAGON
nut_height0.750 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
countersink_angle41.0 DEGREES NOMINAL NUT
width_across_flats1.250 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeFLAT
counterbore_diameter0.812 INCHES NOMINAL NUT IN
nut_counterbore_depth0.375 INCHES NOMINAL NUT IN
NSN5310-00-409-3692
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SE2020-7A · 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: 1.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT COUNTERBORE DEPTH: 0.375 INCHES NOMINAL NUT IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
COUNTERBORE DIAMETER: 0.812 INCHES NOMINAL NUT IN
•
NUT HEIGHT: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH0.375 INCHES NOMINAL NUT IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
COUNTERBORE DIAMETER0.812 INCHES NOMINAL NUT IN
NUT HEIGHT0.750 INCHES NOMINAL IN
COUNTERSINK ANGLE41.0 DEGREES NOMINAL NUT
NUT STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 1
10159170Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SE2020-7A?
SE2020-7A is a NUT,PLAIN,HEXAGON.
What parts can replace SE2020-7A?
There is 1 known substitute for SE2020-7A: 10159170. Substitute compatibility should be verified for your specific system.
What is the NSN for SE2020-7A?
SE2020-7A is cataloged in the U.S. Government catalog under NSN 5310-00-409-3692. This indicates validated use in U.S. government and defense supply chains.
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