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Technical Data Sheet
PartsTable / COMPONENT / 901820-K7
901820-K7 ✓ 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: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-934-9758, 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
901820-K7
NSN: 5310-00-934-9758
FSC: 5310
CAGE: 90005 — PUROLATOR FACET INC. DIV PARKER AEROSPACE FILTRATION DIVISION DBA PUROLATOR FACET, IN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch24
nondefinitive_spec/std_data2 TYPE AND 13 STYLE
NSN5310-00-934-9758
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 901820-K7 · 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
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 24
•
WIDTH ACROSS FLATS: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONW/S:AIRBORNE MOBILE DIR AIR SPT CTL (2ID),(02M JUL83)(AN/UYQ-3A); SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); L.P. COMPRESSORS; FIRE PUMPS; BOILERS, 1200 PSI; VEHICLE, AIRCRAFT REFUELER R-14; AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); SUPPORT EQUIPMENT, B-1 AIRCRAFT; 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV) A
THREAD CLASS2B
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH24
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
110633Interchangeable
interchangeable cross-reference
interchangeable
25704-281280-19-0Interchangeable
interchangeable cross-reference
interchangeable
BBKX2C1Interchangeable
interchangeable cross-reference
interchangeable
L6611-43Interchangeable
interchangeable cross-reference
interchangeable
6V1127Interchangeable
interchangeable cross-reference
interchangeable
3222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 901820-K7?
901820-K7 is a NUT,PLAIN,HEXAGON.
What parts can replace 901820-K7?
There are 35 known substitutes for 901820-K7: 110633, 25704-281280-19-0, BBKX2C1 and 32 more. Substitute compatibility should be verified for your specific system.
Is 901820-K7 still available?
901820-K7 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