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Technical Data Sheet
PartsTable / COMPONENT / 670F1-4
670F1-4 ✓ 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

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include body_style: OPEN TYPE, overall_width: 2.250 INCHES NOMINAL IN, base_thickness: 0.375 INCHES NOMINAL IN, overall_height: 2.375 INCHES NOMINAL IN, overall_length: 6.125 INCHES NOMINAL IN, features_provided: STERILE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-769-3961, 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
670F1-4
NSN: 4730-00-769-3961
FSC: 4730
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
body_styleOPEN TYPE
overall_width2.250 INCHES NOMINAL IN
base_thickness0.375 INCHES NOMINAL IN
overall_height2.375 INCHES NOMINAL IN
overall_length6.125 INCHES NOMINAL IN
features_providedSTERILE
mounting_hole_diameter0.219 INCHES NOMINAL IN
mounting_hole_quantity2
end_item_identificationSTRYKER
formed_length_and_width10.000 INCHES NOMINAL AND 3.500 INCHES NOMINAL IN
bandage_length_and_width8.000 INCHES NOMINAL AND 3.750 INCHES MAXIMUM IN
terminal_type_and_quantity2 THREADED STUD
NSN4730-00-769-3961
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 670F1-4 · 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 22
G-591Interchangeable
interchangeable cross-reference
interchangeable
G-503Interchangeable
interchangeable cross-reference
interchangeable
3591Interchangeable
interchangeable cross-reference
interchangeable
AVREX903C0DERL306AInterchangeable
interchangeable cross-reference
interchangeable
BRAYC0783Interchangeable
interchangeable cross-reference
interchangeable
390-116Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 670F1-4?
670F1-4 is a COUPLING,TUBE.
What parts can replace 670F1-4?
There are 22 known substitutes for 670F1-4: G-591, G-503, 3591 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 670F1-4?
670F1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-769-3961. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026