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Technical Data Sheet
PartsTable / COMPONENT / 1655867PC33
1655867PC33 ✓ 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 NUT,TUBE COUPLING,REDUCING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1118 OVERALL, nut_style: TUBE COUPLING, nut_height: 0.937 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-650-2184, 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
1655867PC33
NSN: 4730-00-650-2184
FSC: 4730
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1118 OVERALL
nut_styleTUBE COUPLING
nut_height0.937 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
fabrication_methodMACHINED
length_to_shoulder0.750 INCHES NOMINAL IN
width_across_flats1.000 INCHES NOMINAL IN
nominal_thread_size0.878 INCHES IN
smallest_inside_diameter0.257 INCHES NOMINAL IN
NSN4730-00-650-2184
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1655867PC33 · 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
•
LENGTH TO SHOULDER: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.878 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 14
•
NUT HEIGHT: 0.937 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH TO SHOULDER0.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.878 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH14
NUT HEIGHT0.937 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1118 OVERALL
SMALLEST INSIDE DIAMETER0.257 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
20584Interchangeable
interchangeable cross-reference
interchangeable
516405Interchangeable
interchangeable cross-reference
interchangeable
244D95Interchangeable
interchangeable cross-reference
interchangeable
3845442Interchangeable
interchangeable cross-reference
interchangeable
70576Interchangeable
interchangeable cross-reference
interchangeable
CH576Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1655867PC33?
1655867PC33 is a NUT,TUBE COUPLING,REDUCING.
What parts can replace 1655867PC33?
There are 10 known substitutes for 1655867PC33: 20584, 516405, 244D95 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1655867PC33?
1655867PC33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-650-2184. 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