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PartsTable / COMPONENT / TG903-4625
TG903-4625 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, seat_angle: 30.0 DEGREES SECOND END, thread_class: 2B FIRST END, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-569-0826, 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
TG903-4625
NSN: 4730-01-569-0826
FSC: 4730
CAGE: 0WFM3 — DHS SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
seat_angle30.0 DEGREES SECOND END
thread_class2B FIRST END
inclosure_typeHERMETICALLY SEALED
connection_typeUNTHREADED EXTERNAL HOSE SECOND ENDUNTHREADED EXTERNAL HOSE SECOND END
connection_stylePLAIN (PIPE) FIRST ENDPLAIN (PIPE) FIRST END
unable_to_decodeUNABLE TO DECODE
features_providedHERMETICALLY SEALED CASE
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES FIRST END0.125 INCHES FIRST END IN
NSN4730-01-569-0826
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: TG903-4625 · 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 19
1854-0402Interchangeable
interchangeable cross-reference
interchangeable
62002Interchangeable
interchangeable cross-reference
interchangeable
SP8438Interchangeable
interchangeable cross-reference
interchangeable
88LBInterchangeable
interchangeable cross-reference
interchangeable
0911292Interchangeable
interchangeable cross-reference
interchangeable
6575Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TG903-4625?
TG903-4625 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace TG903-4625?
There are 19 known substitutes for TG903-4625: 1854-0402, 62002, SP8438 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TG903-4625?
TG903-4625 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-569-0826. 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