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Technical Data Sheet
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R33557 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX CENTER OR ABOVE, tube_type: TRIODE, body_width: 1.570 INCHES NOMINAL IN, ring_style: STRAIGHT GAP, body_height: 1.560 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 4730-01-315-5622, 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
R33557
NSN: 4730-01-315-5622
FSC: 4730
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX CENTER OR ABOVE
tube_typeTRIODE
body_width1.570 INCHES NOMINAL IN
ring_styleSTRAIGHT GAP
body_height1.560 INCHES NOMINAL IN
body_length1.950 INCHES NOMINAL IN
usage_designEXTERNAL
inclosure_typeFULLY INCLOSED
inside_diameter0.345 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
NSN4730-01-315-5622
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: R33557 · 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 8
4005987-5Interchangeable
interchangeable cross-reference
interchangeable
5987Interchangeable
interchangeable cross-reference
interchangeable
4005987Interchangeable
interchangeable cross-reference
interchangeable
851171Interchangeable
interchangeable cross-reference
interchangeable
14490Interchangeable
interchangeable cross-reference
interchangeable
EA50RT23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R33557?
R33557 is a PLUG,PIPE.
What parts can replace R33557?
There are 8 known substitutes for R33557: 4005987-5, 5987, 4005987 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R33557?
R33557 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-315-5622. 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