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CS8A ✓ 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

INTERFACE UNIT,AUTOMATIC DATA PR. Key specifications include color: GRAY/GREY, handle: NOT FURNISHED, material: ALUMINUM ALLOY 2024 OVERALL, unit_type: FIXED RADIUS, flow_angle: 90.0 DEGREES SECOND END, leg_length: 1.594 INCHES NOMINAL SECOND END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-063-7919, 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
CS8A
NSN: 4730-00-063-7919
FSC: 4730
CAGE: 05657 — EMHART INDUSTRIES INC CORBIN HOSE CLAMP HARDWARE DIV (USA)
SPECIFICATIONS
colorGRAY/GREY
handleNOT FURNISHED
materialALUMINUM ALLOY 2024 OVERALL
unit_typeFIXED RADIUS
flow_angle90.0 DEGREES SECOND END
leg_length1.594 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
blade_length3.000 INCHES NOMINAL IN
specific_useSTEEL
thread_class3B FIRST END
overall_length4.125 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
NSN4730-00-063-7919
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS8A · 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 28
A-8Interchangeable
interchangeable cross-reference
interchangeable
4TBWInterchangeable
interchangeable cross-reference
interchangeable
K1Interchangeable
K1
interchangeable
R8Interchangeable
interchangeable cross-reference
interchangeable
74001Interchangeable
interchangeable cross-reference
interchangeable
61660-013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS8A?
CS8A is a INTERFACE UNIT,AUTOMATIC DATA PR.
What parts can replace CS8A?
There are 28 known substitutes for CS8A: A-8, 4TBW, K1 and 25 more. Substitute compatibility should be verified for your specific system.
Is CS8A still available?
CS8A 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