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A5724 ✓ 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

The INSERT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF, overall_length: 9.484 INCHES MINIMUM AND 9.484 INCHES MINIMUM AND 9.554 INCHES MAXIMUM9.554 INCHES MAXIMUM IN, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, style_designator: STRIP, material_document_and_classification: MIL-G-21569, CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-371-9579, 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
A5724
NSN: 4730-00-371-9579
FSC: 4730
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-40.0 FAHRENHEIT AND -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT250.0 FAHRENHEIT DEGF
overall_length9.484 INCHES MINIMUM AND 9.484 INCHES MINIMUM AND 9.554 INCHES MAXIMUM9.554 INCHES MAXIMUM IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorSTRIP
material_document_and_classificationMIL-G-21569, CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-371-9579
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A5724 · 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
•
SLEEVE OUTSIDE DIAMETER: 0.742 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: PLAIN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
FLANGE OUTSIDE DIAMETER: 0.997 INCHES NOMINAL IN
•
TUBE INSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SLEEVE OUTSIDE DIAMETER0.742 INCHES NOMINAL IN
MATERIALSTEEL
STYLE DESIGNATORPLAIN
CASEHARDENING INDICATORNOT CASEHARDENED
FLANGE OUTSIDE DIAMETER0.997 INCHES NOMINAL IN
TUBE INSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
13079838-2Interchangeable
interchangeable cross-reference
interchangeable
A5724Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A5724?
A5724 is a INSERT,TUBE FITTING.
What parts can replace A5724?
There are 2 known substitutes for A5724: 13079838-2, A5724. Substitute compatibility should be verified for your specific system.
What is the NSN for A5724?
A5724 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-371-9579. 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