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9520 PIECE 34 — 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

The NUT,UNION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, material_document_and_classification: ASTM-B143,AL 2A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A, maximum_working_pressure_rating_and_service_for_which_designed: 200.0 POUNDS PER SQUARE INCH (PSI) AIR LBS. This part is cataloged in the Federal Logistics Information System under NSN 4730-01-163-0599, 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
9520 PIECE 34
NSN: 4730-01-163-0599
FSC: 4730
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
material_document_and_classificationASTM-B143,AL 2A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
maximum_working_pressure_rating_and_service_for_which_designed200.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
NSN4730-01-163-0599
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9520 PIECE 34 · 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
•
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED: 200.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
•
NUT STYLE: HEXAGON
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B143,AL 2A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
TECHNICAL CHARACTERISTICS
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED200.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
NUT STYLEHEXAGON
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B143,AL 2A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A6571InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
71996PC24InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6571-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6571InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-6571.001.130InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
3890-203-130InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9520 PIECE 34?
9520 PIECE 34 is a NUT,UNION.
What parts can replace 9520 PIECE 34?
There are 6 known substitutes for 9520 PIECE 34: A6571, 71996PC24, 6571-00 and 3 more. Substitute compatibility should be verified for your specific system.
Is 9520 PIECE 34 still available?
9520 PIECE 34 is currently cancelled.
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Last verified: September 2026