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1541123 ✓ Verified by PartsTable
— · 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

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include overall_length: 60.0 INCHES NOMINAL IN, special_features: MINIMUM BEND RADIUS: 10 INCHES IN, operating_pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 80.0 CELSIUS SINGLE RESPONSE DEGC, media_for_which_designed: REFRIGERANT SINGLE RESPONSE, part_name_assigned_by_controlling_agency: VACUUM HOSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-719-5313, 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
1541123
NSN: 4730-01-719-5313
FSC: 4730
CAGE: F1856 — COFRISET (FRA)
SPECIFICATIONS
overall_length60.0 INCHES NOMINAL IN
special_featuresMINIMUM BEND RADIUS: 10 INCHES IN
operating_pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp80.0 CELSIUS SINGLE RESPONSE DEGC
media_for_which_designedREFRIGERANT SINGLE RESPONSE
part_name_assigned_by_controlling_agencyVACUUM HOSE
NSN4730-01-719-5313
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1541123 · 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 OPERATING TEMP: 80.0 CELSIUS SINGLE RESPONSE DEGC
•
MEDIA FOR WHICH DESIGNED: REFRIGERANT SINGLE RESPONSE
•
OPERATING PRESSURE: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYVACUUM HOSE
MAXIMUM OPERATING TEMP80.0 CELSIUS SINGLE RESPONSE DEGC
MEDIA FOR WHICH DESIGNEDREFRIGERANT SINGLE RESPONSE
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESMINIMUM BEND RADIUS: 10 INCHES IN
OVERALL LENGTH60.0 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
206071AInterchangeable
interchangeable cross-reference
interchangeable
20660Interchangeable
interchangeable cross-reference
interchangeable
AM504KInterchangeable
interchangeable cross-reference
interchangeable
11383Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCSZ56Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1541123?
1541123 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace 1541123?
There are 15 known substitutes for 1541123: 206071A, 20660, AM504K and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1541123?
1541123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-719-5313. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026