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5978702 — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5978702: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_length: 4.718 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN FIRST FLUID END CONNECTION, special_features: FURNISHED W/PIPE SEALANT,UNIPAR, style_designator: COUPLING ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-231-2791, 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
5978702
NSN: 4730-01-231-2791
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_length4.718 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN FIRST FLUID END CONNECTION
special_featuresFURNISHED W/PIPE SEALANT,UNIPAR
style_designatorCOUPLING ASSEMBLY
nominal_thread_size0.750 INCHES FIRST FLUID END CONNECTION IN
quick_disconnect_methodPUSH-LOCK ALL ENDS
thread_series_designatorNPTF FIRST FLUID END CONNECTION
quick_disconnect_nominal_size0.750 INCHES ALL ENDS IN
NSN4730-01-231-2791
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5978702 · 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 FIRST FLUID END CONNECTION
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
•
QUICK DISCONNECT NOMINAL SIZE: 0.750 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST FLUID END CONNECTION IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN FIRST FLUID END CONNECTION
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
STYLE DESIGNATORCOUPLING ASSEMBLY
OVERALL LENGTH4.718 INCHES NOMINAL IN
QUICK DISCONNECT NOMINAL SIZE0.750 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.750 INCHES FIRST FLUID END CONNECTION IN
SPECIAL FEATURESFURNISHED W/PIPE SEALANT,UNIPAR
MATERIALSTEEL CORROSION RESISTING OVERALL
QUICK DISCONNECT METHODPUSH-LOCK ALL ENDS
THREAD SERIES DESIGNATORNPTF FIRST FLUID END CONNECTION
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5978702?
5978702 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What is the NSN for 5978702?
5978702 is cataloged in the U.S. Government catalog under NSN 4730-01-231-2791. This indicates validated use in U.S. government and defense supply chains.
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