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A2599 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include overall_width: 42.0 INCHES NOMINAL IN, closure_method: HINGED COVER, exterior_color: GREEN, interior_color: GREEN, overall_height: 20.0 INCHES NOMINAL IN, overall_length: 39.5 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-324-3459, 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
A2599
NSN: 4730-00-324-3459
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
overall_width42.0 INCHES NOMINAL IN
closure_methodHINGED COVER
exterior_colorGREEN
interior_colorGREEN
overall_height20.0 INCHES NOMINAL IN
overall_length39.5 INCHES NOMINAL IN
outside_diameter2.5625 INCHES NOMINAL IN
special_features50 AMPS; THERMAL TRIP,MANUAL PUSH BUTTON RESET ONLY, MEDIUM DUTY; MIN OPERATING TEMP MINUS 54 DEG C; MAX OPERATING TEMP 74 DEG C DEGC
style_designatorSOLID PANEL W/O MOUNTING HOLES
end_item_identificationINTERFACE UNIT
part_name_assigned_by_controlling_agencyO-RING
operating_voltage_type_and_rating_per_pole_in_volts120.0 AC SINGLE LOCATION
NSN4730-00-324-3459
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A2599 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A-1667Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.18Interchangeable
interchangeable cross-reference
interchangeable
A2948-1 1-4X1Interchangeable
interchangeable cross-reference
interchangeable
A2948Interchangeable
interchangeable cross-reference
interchangeable
A1389-3-8X3-8Interchangeable
interchangeable cross-reference
interchangeable
A-1389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2599?
A2599 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace A2599?
There are 14 known substitutes for A2599: A-1667, ANSI B16.18, A2948-1 1-4X1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2599?
A2599 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-324-3459. 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