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PartsTable / COMPONENT / 50-820131
50-820131 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include height: 0.562 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.250 INCHES NOMINAL IN, shank_diameter: 0.125 INCHES NOMINAL IN, special_features: SERRATED SHANK,NO BALL CHECK, style_designator: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-545-1631, 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
50-820131
NSN: 4730-00-545-1631
FSC: 4730
CAGE: 70898 — BEECHCRAFT CORPORATION DBA TEXTRON AVIATION (USA)
SPECIFICATIONS
height0.562 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.250 INCHES NOMINAL IN
shank_diameter0.125 INCHES NOMINAL IN
special_featuresSERRATED SHANK,NO BALL CHECK
style_designatorSTRAIGHT
NSN4730-00-545-1631
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 50-820131 · 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: 0.562 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
SHANK DIAMETER: 0.125 INCHES NOMINAL IN
•
SHANK LENGTH: 0.250 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSERRATED SHANK,NO BALL CHECK
HEIGHT0.562 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT
SHANK DIAMETER0.125 INCHES NOMINAL IN
SHANK LENGTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
271428Interchangeable
interchangeable cross-reference
interchangeable
128Interchangeable
interchangeable cross-reference
interchangeable
MA268A-21055Interchangeable
interchangeable cross-reference
interchangeable
GTB7875Interchangeable
interchangeable cross-reference
interchangeable
1996Interchangeable
interchangeable cross-reference
interchangeable
A-A-59282Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50-820131?
50-820131 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 50-820131?
There are 23 known substitutes for 50-820131: 271428, 128, MA268A-21055 and 20 more. Substitute compatibility should be verified for your specific system.
Is 50-820131 still available?
50-820131 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