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UO3521 — MANIFOLD,AIR LINE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

UO3521: MANIFOLD,AIR LINE.

The MANIFOLD,AIR LINE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, special_features: 50MM L X 77MM H X 22MM D; LIGHT YELLOW ALODINE FINISH AND LIGHT GRAY EPOXY PAINTED MM, end_item_identification: 6685-01-529-6990, material_document_and_classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: MANIFOLD, RPM4, BLANK. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-562-1689, 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
UO3521
NSN: 4730-01-562-1689
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 2J641 — DH INSTRUMENTS INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
special_features50MM L X 77MM H X 22MM D; LIGHT YELLOW ALODINE FINISH AND LIGHT GRAY EPOXY PAINTED MM
end_item_identification6685-01-529-6990
material_document_and_classificationQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyMANIFOLD, RPM4, BLANK
NSN4730-01-562-1689
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: UO3521 · 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 DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURES50MM L X 77MM H X 22MM D; LIGHT YELLOW ALODINE FINISH AND LIGHT GRAY EPOXY PAINTED MM
PART NAME ASSIGNED BY CONTROLLING AGENCYMANIFOLD, RPM4, BLANK
END ITEM IDENTIFICATION6685-01-529-6990
MATERIALALUMINUM ALLOY 6061
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 UO3521?
UO3521 is a MANIFOLD,AIR LINE.
What is the NSN for UO3521?
UO3521 is cataloged in the U.S. Government catalog under NSN 4730-01-562-1689. This indicates validated use in U.S. government and defense supply chains.
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