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Technical Data Sheet
PartsTable / COMPONENT / 306778
306778 ✓ Verified by PartsTable
Thule · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a Thule industrial component. Key specifications include body_width: 1.188 INCHES MAXIMUM IN, body_height: 1.750 INCHES NOMINAL IN, body_length: 1.188 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 500.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-127-2373, 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
306778
NSN: 5305-00-127-2373
FSC: 5305
CAGE: K3488 — LEWMAR LTD (GBR)
SPECIFICATIONS
body_width1.188 INCHES MAXIMUM IN
body_height1.750 INCHES NOMINAL IN
body_length1.188 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating500.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
NSN5305-00-127-2373
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 306778 · Thule ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
26046-KInterchangeable
interchangeable cross-reference
interchangeable
958778900Interchangeable
interchangeable cross-reference
interchangeable
202755-01Interchangeable
interchangeable cross-reference
interchangeable
30-6778Interchangeable
interchangeable cross-reference
interchangeable
SM-C-413825Interchangeable
interchangeable cross-reference
interchangeable
5950008542814Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 306778?
306778 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Thule.
What parts can replace 306778?
There are 6 known substitutes for 306778: 26046-K, 958778900, 202755-01 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 306778?
306778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-127-2373. 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