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Technical Data Sheet
PartsTable / COMPONENT / N4X4S
N4X4S ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include special_features: FUME EXTRACTION UNIT FOR FUME HOOD, part_name_assigned_by_controlling_agency: FUME EXTRACTION UNIT F/FUME HOOD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-837-9128, 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
N4X4S
NSN: 4730-00-837-9128
FSC: 4730
CAGE: 24869 — DVCC, LLC (USA)
SPECIFICATIONS
special_featuresFUME EXTRACTION UNIT FOR FUME HOOD
part_name_assigned_by_controlling_agencyFUME EXTRACTION UNIT F/FUME HOOD
NSN4730-00-837-9128
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: N4X4S · 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 21
3502Interchangeable
interchangeable cross-reference
interchangeable
652333Interchangeable
interchangeable cross-reference
interchangeable
B33N0091-1Interchangeable
interchangeable cross-reference
interchangeable
1-2AMPFUSEWIREInterchangeable
interchangeable cross-reference
interchangeable
BFW-1/2Interchangeable
interchangeable cross-reference
interchangeable
WC128Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N4X4S?
N4X4S is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace N4X4S?
There are 21 known substitutes for N4X4S: 3502, 652333, B33N0091-1 and 18 more. Substitute compatibility should be verified for your specific system.
Is N4X4S still available?
N4X4S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026