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11821 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: WHITE OVERALL, length: 0.312 INCHES NOMINAL SQUARE END IN, material: RUBBER SYNTHETIC OVERALL, cuff_type: BEADED, body_length: 0.375 INCHES NOMINAL IN, usage_design: THERAPEUTIC PROCEDURE GLOVES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-269-6533, 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
11821
NSN: 5310-00-269-6533
FSC: 5310
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
colorWHITE OVERALL
length0.312 INCHES NOMINAL SQUARE END IN
materialRUBBER SYNTHETIC OVERALL
cuff_typeBEADED
body_length0.375 INCHES NOMINAL IN
usage_designTHERAPEUTIC PROCEDURE GLOVES
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
thread_length1.130 INCHES MINIMUM IN
turn_quantity7 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
flute_quantity4
NSN5310-00-269-6533
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11821 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
66108NInterchangeable
interchangeable cross-reference
interchangeable
00737SH47SR164Interchangeable
interchangeable cross-reference
interchangeable
MCD4117-1ITEM1Interchangeable
interchangeable cross-reference
interchangeable
545-0204-002Interchangeable
interchangeable cross-reference
interchangeable
1182-1Interchangeable
interchangeable cross-reference
interchangeable
121022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11821?
11821 is a COIL,RADIO FREQUENCY.
What parts can replace 11821?
There are 11 known substitutes for 11821: 66108N, 00737SH47SR164, MCD4117-1ITEM1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11821?
11821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-269-6533. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026