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82-507 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

82-507: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, thickness: 0.035 INCHES NOMINAL IN, hole_diameter: 0.685 INCHES NOMINAL IN, hardness_rating: 80.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 3.344 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN, overall_diameter: 0.790 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-056-5687, 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→ 82-507
NSN: 4720-00-056-5687
NIINs: 000565687, 004481735, 004901202, 006416235, 007652854
FSC: 4720 — Hose and Flexible Tubing
CAGE: 70510 — HYSPAN PRECISION PRODUCTS, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
thickness0.035 INCHES NOMINAL IN
hole_diameter0.685 INCHES NOMINAL IN
hardness_rating80.0 SHORE DUROMETER A MAXIMUM
outside_diameter3.344 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN
overall_diameter0.790 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.375 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN
bolt_hole_quantity6
bolt_circle_diameter3.000 INCHES NOMINAL IN
fsc_application_dataVALVE ASSY,LIQUID OXYGEN STORAGE AND TRANSFER TANK
peripheral_shape_styleROUND
NSN4720-00-056-5687
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 82-507 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
AT2057Reference document
Same NSN cross-reference
Reference document — Secondary reference
307361Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 82-507?
82-507 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 82-507?
There are 2 known substitutes for 82-507: AT2057, 307361. Substitute compatibility should be verified for your specific system.
What is the NSN for 82-507?
82-507 is cataloged in the U.S. Government catalog under NSN 4720-00-056-5687. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
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.