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Technical Data Sheet
PartsTable / COMPONENT / 26-X-50
26-X-50 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 3135 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, point_length: 0.375 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.312 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-221-6215, 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
26-X-50
NSN: 4730-00-221-6215
FSC: 4730
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 3135 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFLAT
point_length0.375 INCHES NOMINAL IN
thread_class2A A
thread_length1.312 INCHES MAXIMUM IN
point_diameter0.510 INCHES NOMINAL IN
fastener_length1.312 INCHES NOMINAL IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_across_flats0.312 INCHES NOMINAL IN
NSN4730-00-221-6215
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 26-X-50 · 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 33
5044-3Interchangeable
interchangeable cross-reference
interchangeable
SAE J512 10-8 040302BInterchangeable
interchangeable cross-reference
interchangeable
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
GGG-L-211 TY2CL2STAInterchangeable
interchangeable cross-reference
interchangeable
GGG-L-211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26-X-50?
26-X-50 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 26-X-50?
There are 33 known substitutes for 26-X-50: 5044-3, SAE J512 10-8 040302B, SAE-J512 and 30 more. Substitute compatibility should be verified for your specific system.
Is 26-X-50 still available?
26-X-50 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