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PartsTable / COMPONENT / S5504-494537PC2-42D
S5504-494537PC2-42D ✓ 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 RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.223 INCHES NOMINAL IN, material: STEEL COMP 440C, design_type: CONCAVE DISK, orifice_diameter: 0.094 INCHES NOMINAL IN, outside_diameter: 0.997 INCHES NOMINAL IN, thread_provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-372-0913, 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
S5504-494537PC2-42D
NSN: 4730-00-372-0913
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length0.223 INCHES NOMINAL IN
materialSTEEL COMP 440C
design_typeCONCAVE DISK
orifice_diameter0.094 INCHES NOMINAL IN
outside_diameter0.997 INCHES NOMINAL IN
thread_provisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationQQ-S-763, CLASS 440 C, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE
NSN4730-00-372-0913
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S5504-494537PC2-42D · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 440 C, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 440C
•
ORIFICE DIAMETER: 0.094 INCHES NOMINAL IN
•
DESIGN TYPE: CONCAVE DISK
•
THREAD PROVISION: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
•
LENGTH: 0.223 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.997 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 440 C, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 440C
ORIFICE DIAMETER0.094 INCHES NOMINAL IN
DESIGN TYPECONCAVE DISK
THREAD PROVISIONUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
LENGTH0.223 INCHES NOMINAL IN
OUTSIDE DIAMETER0.997 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S5504-494537PC2Interchangeable
interchangeable cross-reference
interchangeable
4174-36DInterchangeable
interchangeable cross-reference
interchangeable
4174-40DInterchangeable
interchangeable cross-reference
interchangeable
4174-44DInterchangeable
interchangeable cross-reference
interchangeable
S5504-494537PC2-54DInterchangeable
interchangeable cross-reference
interchangeable
4174-54DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S5504-494537PC2-42D?
S5504-494537PC2-42D is a RESTRICTOR,FLUID FLOW.
What parts can replace S5504-494537PC2-42D?
There are 8 known substitutes for S5504-494537PC2-42D: S5504-494537PC2, 4174-36D, 4174-40D and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S5504-494537PC2-42D?
S5504-494537PC2-42D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-372-0913. 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