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A-A-52506 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

A-A-52506: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, overall_width: 0.50 INCHES NOMINAL IN, inside_diameter: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, special_features: SERIES SAE J1508 TYPE TB, style_designator: BAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-063-7919, 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
A-A-52506
NSN: 4730-00-063-7919
NIINs: 000637919, 000717890, 000726295, 001162968, 001162969, 001422010, 002028967, 002031070, 002043491, 002072550, 002678945, 002745828, 002772550, 002775850, 002776204, 002777132, 002782513, 002782523, 002782546, 002890211, 002892330, 005035029, 005312885, 005858582, 007269347, 008162787, 008264268, 008343984, 008776298, 009083193, 009083194, 009083195, 009086292, 009086293, 009086294, 009086295, 009086296, 009098627, 009444669, 009656520, 010351755, 010358354, 011421633, 011465900, 011465901, 011950374, 013494736, 014302729, 015047853, 015074272, 015207916, 015370901, 015400273, 015453074, 015520758, 015564367, 015672997, 015679422, 015797035, 016018070, 016018071, 016028076, 016072971, 016108781, 016108794, 016113848, 016113917, 016138066, 016138069, 016138071, 016138274, 016206767, 016319750, 016409499, 016531661, 016531666, 016547284, 016579992, 016580141, 016590335, 016590370, 016624689, 016730182, 016742146, 016759069, 016759120, 016759121, 016844897, 016858263, 016892779, 016900896, 016919526, 016919528, 016919531, 016922310, 016953171, 016953176, 016995110, 017054007, 017061894, 017068982
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
overall_width0.50 INCHES NOMINAL IN
inside_diameter0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
special_featuresSERIES SAE J1508 TYPE TB
style_designatorBAND
surface_treatmentZINC OVERALL
application/functionMETAL HOSE CLAMPS THAT ARE USED FOR HOLDING FLEXIBLE DUCTS, OR HOSE ONTO A MALE FITTING
fastening_device_typeNUT
end_item_identificationSPECIAL, AIR VEHICLE, AIRCRAFT
material_document_and_classificationPSAE1508 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyCLAMP, HOSE
NSN4730-00-063-7919
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A-A-52506 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 7
130292A8Reference document
Same NSN cross-reference
Reference document — Secondary reference
7400-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ER8Reference document
Same NSN cross-reference
Reference document — Secondary reference
10232917Reference document
Same NSN cross-reference
Reference document — Secondary reference
A8Reference document
Same NSN cross-reference
Reference document — Secondary reference
CS8AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-A-52506?
A-A-52506 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace A-A-52506?
There are 7 known substitutes for A-A-52506: 130292A8, 7400-1, ER8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-52506?
A-A-52506 is cataloged in the U.S. Government catalog under NSN 4730-00-063-7919. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.