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Technical Data Sheet
PartsTable / COMPONENT / 8508-3-8
8508-3-8 ✓ 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 material: STEEL, body_style: PLAIN, overall_length: 0.859 INCHES NOMINAL IN, special_features: GRUMMAN CORP,A-10 AIRCRAFT, width_across_flats: 0.906 INCHES NOMINAL IN, concentric_hole_depth: 0.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-4188, 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
8508-3-8
NSN: 4730-00-278-4188
FSC: 4730
CAGE: 63177 — WRIGHT LINE INC SUB OF BARRY WRIGHT CORP (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN
overall_length0.859 INCHES NOMINAL IN
special_featuresGRUMMAN CORP,A-10 AIRCRAFT
width_across_flats0.906 INCHES NOMINAL IN
concentric_hole_depth0.375 INCHES NOMINAL IN
first_end_thread_class2A A
first_end_thread_length0.156 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.406 INCHES NOMINAL IN
wrenching_feature_height0.328 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
NSN4730-00-278-4188
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8508-3-8 · 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
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
FLOW ANGLE: 45.0 DEGREES
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
FLOW ANGLE45.0 DEGREES
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
250256Interchangeable
interchangeable cross-reference
interchangeable
590A5Interchangeable
interchangeable cross-reference
interchangeable
14073014Interchangeable
interchangeable cross-reference
interchangeable
120702Interchangeable
interchangeable cross-reference
interchangeable
1020702Interchangeable
interchangeable cross-reference
interchangeable
ASME B16.3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8508-3-8?
8508-3-8 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 8508-3-8?
There are 24 known substitutes for 8508-3-8: 250256, 590A5, 14073014 and 21 more. Substitute compatibility should be verified for your specific system.
Is 8508-3-8 still available?
8508-3-8 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