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Technical Data Sheet
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S-38 ✓ 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 LOUDSPEAKER,PERMANENT MAGNET is a the manufacturer industrial component. Key specifications include material: STEEL OR STEEL CORROSION RESISTING, insert_size: 3/8/0.375/IN.-16 THD, overall_length: 1.312 INCHES NOMINAL IN, thread_provision: THREADED, features_provided: CLOSED END, surface_treatment: ZINC OR CADMIUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-042-7261, 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
S-38
NSN: 5315-00-042-7261
FSC: 5315
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OR STEEL CORROSION RESISTING
insert_size3/8/0.375/IN.-16 THD
unit_quantity1
overall_length1.312 INCHES NOMINAL IN
special_featuresCONSISTS OF A LOADSPEAKER (ACOUSTIC TRANSDUCER COMPONENT), AN AF AMPLIFIER AM-492B/AIC-10, AND A HOUSING FOR THE LOUDSPEAKER; PRIMARY VOLTAGE SUPPLY 27.5 VDC VDC
thread_provisionTHREADED
features_providedCLOSED END
surface_treatmentZINC OR CADMIUM
installation_designNONPORTABLE
supplementary_featuresUSED AS PART OF THE INTERCOMMUNICATION SET AN/AIC-10A AT LOW ALTITUDES TO PERMIT STAND BY LISTENING ON LONG MISSIONS IN MILITARY AIRCRAFT A
end_item_identificationINTERCOMMUNICATION SET AN/AIC-10A A
impedance_rating_in_ohms6.0 VOICE COIL MINIMUM AND 8.0 VOICE COIL MAXIMUM
NSN5315-00-042-7261
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S-38 · 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 27
A1825Interchangeable
interchangeable cross-reference
interchangeable
51122Interchangeable
interchangeable cross-reference
interchangeable
709635Interchangeable
interchangeable cross-reference
interchangeable
H-408Interchangeable
interchangeable cross-reference
interchangeable
SInterchangeable
interchangeable cross-reference
interchangeable
S-3/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-38?
S-38 is a LOUDSPEAKER,PERMANENT MAGNET.
What parts can replace S-38?
There are 27 known substitutes for S-38: A1825, 51122, 709635 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-38?
S-38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-042-7261. 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