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Technical Data Sheet
PartsTable / MRO / 11957-2
11957-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 shaft_type: ROUND, FLATTED SINGLE ACTUATOR, body_length: 0.500 INCHES NOMINAL IN, flat_height: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM SINGLE ACTUATOR IN, shaft_length: 0.656 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, pole_quantity: 2 SINGLE SECTION REAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-405-5452, 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
MRO→ MRO_GENERAL→ 11957-2
NSN: 5310-00-405-5452
FSC: 5310
CAGE: 53591 — SCHWITZER ENGINE COMPONENTS A HOUSEHOLD INTL CO (USA)
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
body_length0.500 INCHES NOMINAL IN
flat_height0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM SINGLE ACTUATOR IN
shaft_length0.656 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity2 SINGLE SECTION REAR
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
terminal_typeTAB, SOLDER LUG
thread_length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
turn_quantity6 SINGLE COMPONENT SINGLE WINDING
coil_form_typeAIR WOUND SINGLE COMPONENT
inclosure_typeOPEN
NSN5310-00-405-5452
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11957-2 · 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 4
119572Interchangeable
interchangeable cross-reference
interchangeable
544-5582-002Interchangeable
interchangeable cross-reference
interchangeable
168312-8Interchangeable
interchangeable cross-reference
interchangeable
45-203-0005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11957-2?
11957-2 is a COIL,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 11957-2?
There are 4 known substitutes for 11957-2: 119572, 544-5582-002, 168312-8 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11957-2?
11957-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-405-5452. 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