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Technical Data Sheet
PartsTable / COMPONENT / 4730002785738
4730002785738 ✓ 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 CUP,OIL,LUBRICATING is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, material: COPPER ALLOY OR STEEL OVERALL, shank_diameter: 0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, style_designator: STRAIGHT, W/BALL CHECK, W/SHOULDER, surface_treatment: NICKEL OVERALL, nondefinitive_spec/std_data: G TYPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-5738, 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
4730002785738
NSN: 4730-00-278-5738
FSC: 4730
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
materialCOPPER ALLOY OR STEEL OVERALL
shank_diameter0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
style_designatorSTRAIGHT, W/BALL CHECK, W/SHOULDER
surface_treatmentNICKEL OVERALL
nondefinitive_spec/std_dataG TYPE
NSN4730-00-278-5738
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730002785738 · 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
•
HEIGHT: 0.375 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT, W/BALL CHECK, W/SHOULDER
•
MATERIAL: COPPER ALLOY OR STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: G TYPE
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.375 INCHES NOMINAL IN
SHANK DIAMETER0.315 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT, W/BALL CHECK, W/SHOULDER
MATERIALCOPPER ALLOY OR STEEL OVERALL
NONDEFINITIVE SPEC/STD DATAG TYPE
SURFACE TREATMENTNICKEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1CF5Interchangeable
interchangeable cross-reference
interchangeable
53301523059Interchangeable
interchangeable cross-reference
interchangeable
250389Interchangeable
interchangeable cross-reference
interchangeable
Q2421Interchangeable
interchangeable cross-reference
interchangeable
X-2054Interchangeable
interchangeable cross-reference
interchangeable
MILC1258Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730002785738?
4730002785738 is a CUP,OIL,LUBRICATING.
What parts can replace 4730002785738?
There are 21 known substitutes for 4730002785738: 1CF5, 53301523059, 250389 and 18 more. Substitute compatibility should be verified for your specific system.
Is 4730002785738 still available?
4730002785738 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