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Technical Data Sheet
PartsTable / COMPONENT / 189611
189611 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN, major_thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OR CHROMATE ZINC, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1991, 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
189611
NSN: 4730-00-196-1991
FSC: 4730
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
major_thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OR CHROMATE ZINC
casehardening_indicatorNOT CASEHARDENED
end_item_identificationARMORED MULTI-PURPOSE VEHICLE (AMPV)
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
NSN4730-00-196-1991
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 189611 · 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 11
356-31075Interchangeable
interchangeable cross-reference
interchangeable
CG1-5100-75Interchangeable
interchangeable cross-reference
interchangeable
10386516Interchangeable
interchangeable cross-reference
interchangeable
02433-2-5Interchangeable
Same NIIN cross-reference
interchangeable
ASTM-B687Interchangeable
Same NIIN cross-reference
interchangeable
3B7777Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 189611?
189611 is a NIPPLE,PIPE.
What parts can replace 189611?
There are 11 known substitutes for 189611: 356-31075, CG1-5100-75, 10386516 and 8 more. Substitute compatibility should be verified for your specific system.
Is 189611 still available?
189611 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