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C7550-2 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

C7550-2: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM AND STEEL CORROSION RESISTING BODY, leg_length: 1.793 INCHES NOMINAL IN, thread_class: 3A ALL ENDS A, overall_length: 2.349 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-045-0782, 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
C7550-2
NSN: 4730-01-045-0782
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialALUMINUM AND STEEL CORROSION RESISTING BODY
leg_length1.793 INCHES NOMINAL IN
thread_class3A ALL ENDS A
overall_length2.349 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
nominal_thread_size0.562 INCHES ALL ENDS IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-01-045-0782
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C7550-2 · 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 ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
LEG LENGTH: 1.793 INCHES NOMINAL IN
•
FEATURES PROVIDED: SELF-SEALING
•
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
•
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN ALL ENDS
CONNECTION TYPETHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.349 INCHES NOMINAL IN
LEG LENGTH1.793 INCHES NOMINAL IN
FEATURES PROVIDEDSELF-SEALING
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
THREAD CLASS3A ALL ENDS A
MATERIALALUMINUM AND STEEL CORROSION RESISTING BODY
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
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
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C7550-2?
C7550-2 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for C7550-2?
C7550-2 is cataloged in the U.S. Government catalog under NSN 4730-01-045-0782. This indicates validated use in U.S. government and defense supply chains.
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