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Technical Data Sheet
PartsTable / COMPONENT / 669-F-8X6
669-F-8X6 ✓ 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

RESISTOR NETWORK,FIXED,WIRE WOUN. Key specifications include length: 9.438 INCHES NOMINAL IN, material: ALUMINUM, stem_type: NONRISING, body_width: 1.000 INCHES NOMINAL IN, valve_size: 4.000 INCHES IN, body_height: 0.650 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-0051, 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
669-F-8X6
NSN: 4730-00-289-0051
FSC: 4730
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
length9.438 INCHES NOMINAL IN
materialALUMINUM
stem_typeNONRISING
body_width1.000 INCHES NOMINAL IN
valve_size4.000 INCHES IN
body_height0.650 INCHES MAXIMUM IN
body_length2.400 INCHES NOMINAL IN
bonnet_typeINSIDE SCREW
corner_shapeSQUARE ALL CORNERS
hole_diameter0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
largest_width0.156 INCHES SINGLE END IN
overall_width0.312 INCHES IN
NSN4730-00-289-0051
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 669-F-8X6 · 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 16
504258Interchangeable
interchangeable cross-reference
interchangeable
116095Interchangeable
interchangeable cross-reference
interchangeable
215709Interchangeable
interchangeable cross-reference
interchangeable
154101Interchangeable
interchangeable cross-reference
interchangeable
2J-8163Interchangeable
interchangeable cross-reference
interchangeable
MILA38728Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 669-F-8X6?
669-F-8X6 is a RESISTOR NETWORK,FIXED,WIRE WOUN.
What parts can replace 669-F-8X6?
There are 16 known substitutes for 669-F-8X6: 504258, 116095, 215709 and 13 more. Substitute compatibility should be verified for your specific system.
Is 669-F-8X6 still available?
669-F-8X6 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