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Technical Data Sheet
PartsTable / COMPONENT / 4992-4D
4992-4D ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, outside_diameter: 2.031 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.094 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-240-5905, 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
4992-4D
NSN: 4730-00-240-5905
FSC: 4730
CAGE: 82386 — JAIDINGER MANUFACTURING CO INC DBA JAIDINGER MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialCORK OVERALL
outside_diameter2.031 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.562 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN4730-00-240-5905
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4992-4D · 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 25
10179Interchangeable
interchangeable cross-reference
interchangeable
502395Interchangeable
interchangeable cross-reference
interchangeable
S559Interchangeable
interchangeable cross-reference
interchangeable
472643Interchangeable
interchangeable cross-reference
interchangeable
G650242-1Interchangeable
interchangeable cross-reference
interchangeable
707-0325-26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4992-4D?
4992-4D is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 4992-4D?
There are 25 known substitutes for 4992-4D: 10179, 502395, S559 and 22 more. Substitute compatibility should be verified for your specific system.
Is 4992-4D still available?
4992-4D 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