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GT519404 ✓ 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 material: STEEL COMP 201 OVERALL, overall_width: 0.750 INCHES NOMINAL IN, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, inside_diameter: 2.000 INCHES NOMINAL IN, connection_style: BARBED OR BEADED (HOSE) SECOND END, style_designator: ADJUSTABLE BAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-037-4932, 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
GT519404
NSN: 4730-01-037-4932
FSC: 4730
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 201 OVERALL
overall_width0.750 INCHES NOMINAL IN
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
inside_diameter2.000 INCHES NOMINAL IN
connection_styleBARBED OR BEADED (HOSE) SECOND END
style_designatorADJUSTABLE BAND
nominal_thread_size1.000 INCHES FIRST END IN
fastening_device_typeBUCKLE
nominal_overall_length1.784 INCHES IN
thread_series_designatorNPT FIRST END
nominal_inside_diameter_hose_accommodated1.000 INCHES SECOND END IN
NSN4730-01-037-4932
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GT519404 · 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 18
6511185Interchangeable
interchangeable cross-reference
interchangeable
91594521Interchangeable
interchangeable cross-reference
interchangeable
851A313PK-005Interchangeable
interchangeable cross-reference
interchangeable
LL8KP36143Interchangeable
interchangeable cross-reference
interchangeable
L34245P02Interchangeable
interchangeable cross-reference
interchangeable
L34245P01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GT519404?
GT519404 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace GT519404?
There are 18 known substitutes for GT519404: 6511185, 91594521, 851A313PK-005 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GT519404?
GT519404 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-037-4932. 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