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Technical Data Sheet
PartsTable / COMPONENT / 124-1961-000
124-1961-000 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-064-4710, 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
124-1961-000
NSN: 5310-00-064-4710
FSC: 5310
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height0.219 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-00-064-4710
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-1961-000 · 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 CLASS: 2B
•
THREAD SERIES: UNEF
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD SERIESUNEF
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.375 INCHES IN
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
NUT STYLEHEXAGON
MATERIALCOPPER ALLOY OVERALL
NUT HEIGHT0.219 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
B233724Interchangeable
interchangeable cross-reference
interchangeable
7886278P1Interchangeable
interchangeable cross-reference
interchangeable
29341Interchangeable
interchangeable cross-reference
interchangeable
53161Interchangeable
interchangeable cross-reference
interchangeable
110 61/64Interchangeable
interchangeable cross-reference
interchangeable
C12245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-1961-000?
124-1961-000 is a NUT,PLAIN,HEXAGON.
What parts can replace 124-1961-000?
There are 22 known substitutes for 124-1961-000: B233724, 7886278P1, 29341 and 19 more. Substitute compatibility should be verified for your specific system.
Is 124-1961-000 still available?
124-1961-000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026