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55-22020-24A — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

55-22020-24A: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: ROUND, nut_diameter: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 1.500 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-112-4380, 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
55-22020-24A
NSN: 5310-01-112-4380
FSC: 5310 — Nuts and Washers
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleROUND
nut_diameter1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
thread_class2B
nut_thickness1.500 INCHES NOMINAL IN
thread_seriesUNF
thread_directionLEFT-HAND
nominal_thread_size1.375 INCHES IN
drilled_hole_diameter0.250 INCHES NOMINAL IN
hole_type_and_quantity2 DRILLED
hole_configuration_styleCONFIGURATION F
thread_quantity_per_inch12
NSN5310-01-112-4380
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55-22020-24A · 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
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION F
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: LEFT-HAND
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
NUT DIAMETER: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
NUT THICKNESS: 1.500 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION F
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONLEFT-HAND
NOMINAL THREAD SIZE1.375 INCHES IN
NUT DIAMETER1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
NUT THICKNESS1.500 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NUT STYLEROUND
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 55-22020-24A?
55-22020-24A is a NUT,PLAIN,ROUND.
What is the NSN for 55-22020-24A?
55-22020-24A is cataloged in the U.S. Government catalog under NSN 5310-01-112-4380. This indicates validated use in U.S. government and defense supply chains.
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