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ST48D92 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST48D92: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_length: 3.240 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, basic_shape_style: ROUND MOUNTING FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-319-0521, 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
ST48D92
NSN: 4730-00-319-0521
NIINs: 003190521, 012486358, 012501838
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_length3.240 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
basic_shape_styleROUND MOUNTING FLANGE
features_providedSELF-SEALING
surface_treatmentZINC BODY
bolt_hole_quantity6
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.000 INCHES ALL ENDS IN
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4730-00-319-0521
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST48D92 · 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 INTERNAL PIPE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
QUICK DISCONNECT NOMINAL SIZE: 1.500 INCHES ALL ENDS IN
•
LEG LENGTH: 1.615 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN
•
FEATURES PROVIDED: SELF-SEALING
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPEEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH3.110 INCHES NOMINAL IN
QUICK DISCONNECT NOMINAL SIZE1.500 INCHES ALL ENDS IN
LEG LENGTH1.615 INCHES MINIMUM AND 1.660 INCHES MAXIMUM IN
FEATURES PROVIDEDSELF-SEALING
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
SPECIAL FEATURESW/ONE STEEL FLANGE;W/WRENCHING FLATS ON FLUID END,1.188 IN.W ACROSS FLATS IN
SUBSTITUTES & CROSS-REFERENCES 3
ST48D92-12NFReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
B78N12-12FWF(MHO)Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6115-12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST48D92?
ST48D92 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace ST48D92?
There are 3 known substitutes for ST48D92: ST48D92-12NF, B78N12-12FWF(MHO), 6115-12. Substitute compatibility should be verified for your specific system.
What is the NSN for ST48D92?
ST48D92 is cataloged in the U.S. Government catalog under NSN 4730-00-319-0521. This indicates validated use in U.S. government and defense supply chains.
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