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H655-1511 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

H655-1511: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 715 OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET W/ GROVE (TUBE) ALL ENDS, style_designator: PLAIN, operating_pressure: 1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-501-0056, 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
H655-1511
NSN: 4730-01-501-0056
NIINs: 015010056, 015010064, 015010616, 015010821, 015013348, 015013399
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY 715 OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET W/ GROVE (TUBE) ALL ENDS
special_featuresITEM IS PART OF COLLECTOR ASSY, 4 IN (P/N KIT-1); DIA BOTH ENDS IS 0.7525 IN; DIA OF O-RING GROOVE BOTH ENDS IS 0.992 IN; 45 DEG CHAMFER CUT ON ID OF EACH END IN
style_designatorPLAIN
operating_pressure1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
functional_descriptionCAP GOES ON THE END OF THE REVERSE OSMOSIS ELEMENT FITTING.
maximum_operating_temp100.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length2.335 INCHES IN
end_item_identificationLOS ANGELES CLASS SSN (688)
nominal_outside_diameter1.250 INCHES ALL ENDS IN
NSN4730-01-501-0056
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H655-1511 · 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: SOCKET W/ GROVE (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 3.310 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726 ALY-C71500 FORM-ROD TEM-H01 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION STYLESOCKET W/ GROVE (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH3.310 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726 ALY-C71500 FORM-ROD TEM-H01 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS IN
OPERATING PRESSURE1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL OUTSIDE DIAMETER2.250 INCHES ALL ENDS IN
SPECIAL FEATURESNHA REVERSE OSMOSIS PRESSURE VESSEL; ID BOTH ENDS 1.502-1.503 IN X 1.36 IN DEEP, O-RING GROOVE ID 1.736-1.738 IN, CENTER ID 1.15 X 0.590 IN LONG; 45 DEGREE CHAMFER CUT ON ID OF EA END IN
SUBSTITUTES & CROSS-REFERENCES 2
7016000Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
531-7016000-22Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 H655-1511?
H655-1511 is a COUPLING,TUBE.
What parts can replace H655-1511?
There are 2 known substitutes for H655-1511: 7016000, 531-7016000-22. Substitute compatibility should be verified for your specific system.
What is the NSN for H655-1511?
H655-1511 is cataloged in the U.S. Government catalog under NSN 4730-01-501-0056. This indicates validated use in U.S. government and defense supply chains.
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