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221-1690 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

221-1690: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: IRON OVERALL, leg_length: 1.000 INCHES NOMINAL SECOND END IN, connection_type: THREADED INTERNAL PIPE THIRD END, connection_style: PLAIN (PIPE) THIRD END, special_features: ALL THREAD DIRECTIONS R-H, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-101-7368, 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
221-1690
NSN: 4730-01-101-7368
NIINs: 011017368, 015817079
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialIRON OVERALL
leg_length1.000 INCHES NOMINAL SECOND END IN
connection_typeTHREADED INTERNAL PIPE THIRD END
connection_stylePLAIN (PIPE) THIRD END
special_featuresALL THREAD DIRECTIONS R-H
surface_treatmentZINC OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES ALL ENDS IN
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedSTEAM SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
material_document_and_classificationANSI B16.3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-101-7368
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221-1690 · 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
•
CONNECTION STYLE: PLAIN (PIPE) THIRD END
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ANSI B16.3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE THIRD END
MATERIAL DOCUMENT AND CLASSIFICATIONANSI B16.3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH0.688 INCHES NOMINAL THIRD END IN
LEG LENGTH0.688 INCHES NOMINAL FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 1
B16.3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221-1690?
221-1690 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 221-1690?
There is 1 known substitute for 221-1690: B16.3. Substitute compatibility should be verified for your specific system.
What is the NSN for 221-1690?
221-1690 is cataloged in the U.S. Government catalog under NSN 4730-01-101-7368. This indicates validated use in U.S. government and defense supply chains.
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