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Technical Data Sheet
PartsTable / COMPONENT / DF5040
DF5040 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 0.688 INCHES MAXIMUM FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, nominal_length: 1.500 INCHES ALL ENDS IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-2029, 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
DF5040
NSN: 4730-00-196-2029
FSC: 4730
CAGE: 50230 — REFINITE PRODUCTS SALES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.688 INCHES MAXIMUM FIRST END IN
seat_angle37.0 DEGREES FIRST END
nominal_length1.500 INCHES ALL ENDS IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresEXTRA STRONG BLACK COATED STEEL
style_designatorSHORT
surface_treatmentZINC OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.250 INCHES ALL ENDS IN
fsc_application_dataAS MODIFIED BY SURFACE TREATMENT
NSN4730-00-196-2029
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: DF5040 · 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 12
1688-1Interchangeable
interchangeable cross-reference
interchangeable
252Interchangeable
interchangeable cross-reference
interchangeable
30207Interchangeable
interchangeable cross-reference
interchangeable
1270-17560 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
1270-17560 PIECE 3Interchangeable
interchangeable cross-reference
interchangeable
219950Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DF5040?
DF5040 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace DF5040?
There are 12 known substitutes for DF5040: 1688-1, 252, 30207 and 9 more. Substitute compatibility should be verified for your specific system.
Is DF5040 still available?
DF5040 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