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Technical Data Sheet
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UA612 — Technical Data Sheet

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— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL THUMBSCREW, overall_width: 0.562 INCHES NOMINAL IN, inside_diameter: 0.688 INCHES MINIMUM AND 6.125 INCHES MAXIMUM IN, special_features: SUPPORTS GRUMMAN A10A AIRCRAFT, style_designator: BAND, surface_treatment: CADMIUM THUMBSCREW. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-725-0537, 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
UA612
NSN: 4730-00-725-0537
FSC: 4730
CAGE: 14242 — VOSS INDUSTRIES, LLC (USA)
SPECIFICATIONS
materialSTEEL THUMBSCREW
overall_width0.562 INCHES NOMINAL IN
inside_diameter0.688 INCHES MINIMUM AND 6.125 INCHES MAXIMUM IN
special_featuresSUPPORTS GRUMMAN A10A AIRCRAFT
style_designatorBAND
surface_treatmentCADMIUM THUMBSCREW
fastening_device_typeTHUMB HEAD SCREW
NSN4730-00-725-0537
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: UA612 · 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
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING BAND
•
SURFACE TREATMENT: CADMIUM THUMBSCREW
•
STYLE DESIGNATOR: BAND
•
INSIDE DIAMETER: 0.688 INCHES MINIMUM AND 6.125 INCHES MAXIMUM IN
•
FASTENING DEVICE TYPE: THUMB HEAD SCREW
TECHNICAL CHARACTERISTICS
MATERIALSTEEL CORROSION RESISTING BAND
MATERIALSTEEL THUMBSCREW
SURFACE TREATMENTCADMIUM THUMBSCREW
STYLE DESIGNATORBAND
INSIDE DIAMETER0.688 INCHES MINIMUM AND 6.125 INCHES MAXIMUM IN
SPECIAL FEATURESSUPPORTS GRUMMAN A10A AIRCRAFT
FASTENING DEVICE TYPETHUMB HEAD SCREW
OVERALL WIDTH0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
360-HZInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
490-ZFInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82320InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
108-750-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1183InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
75InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UA612?
UA612 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace UA612?
There are 29 known substitutes for UA612: 360-HZ, 490-ZF, 82320 and 26 more. Substitute compatibility should be verified for your specific system.
Is UA612 still available?
UA612 is currently cancelled.
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Last verified: September 2026