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Technical Data Sheet

774LF-SS-1/2X1/2 — UNION,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

774LF-SS-1/2X1/2: UNION,PIPE.

The UNION,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL STAINLESS - USE STB000 OVERALL, flange_shape: HEXAGON FIRST END, nominal_length: 65.79 MILLIMETERS ALL ENDS BULKHEAD MM, connection_type: THREADED EXTERNAL PIPE FIRST END, special_features: STRT THD 16 MM, FLARE SIZE 12.7 MM, PNL DRL SZ 19.45MM MM, nominal_thickness: 12.70 MILLIMETERS CENTER BULKHEAD MM. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-614-6847, 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
774LF-SS-1/2X1/2
NSN: 4730-01-614-6847
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1D1P7 — HAM-LET USA, INC. DBA HAMLET VALVES & FITTINGS (USA)
SPECIFICATIONS
materialSTEEL STAINLESS - USE STB000 OVERALL
flange_shapeHEXAGON FIRST END
nominal_length65.79 MILLIMETERS ALL ENDS BULKHEAD MM
connection_typeTHREADED EXTERNAL PIPE FIRST END
special_featuresSTRT THD 16 MM, FLARE SIZE 12.7 MM, PNL DRL SZ 19.45MM MM
nominal_thickness12.70 MILLIMETERS CENTER BULKHEAD MM
nominal_overall_length65.79 MILLIMETERS MM
nominal_width_across_flats23.81 MILLIMETERS CENTER BULKHEAD MM
part_name_assigned_by_controlling_agencyTUBE FITTINGS, LET-LOK BULKHEAD UNION
nominal_inside_diameter_hose_accommodated12.7 MILLIMETERS ALL ENDS MM
NSN4730-01-614-6847
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 774LF-SS-1/2X1/2 · 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
•
FLANGE SHAPE: HEXAGON FIRST END
•
NOMINAL WIDTH ACROSS FLATS: 23.81 MILLIMETERS CENTER BULKHEAD MM
•
NOMINAL LENGTH: 65.79 MILLIMETERS ALL ENDS BULKHEAD MM
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 12.7 MILLIMETERS ALL ENDS MM
•
NOMINAL OVERALL LENGTH: 65.79 MILLIMETERS MM
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS
FLANGE SHAPEHEXAGON FIRST END
NOMINAL WIDTH ACROSS FLATS23.81 MILLIMETERS CENTER BULKHEAD MM
NOMINAL LENGTH65.79 MILLIMETERS ALL ENDS BULKHEAD MM
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED12.7 MILLIMETERS ALL ENDS MM
NOMINAL OVERALL LENGTH65.79 MILLIMETERS MM
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
SPECIAL FEATURESSTRT THD 16 MM, FLARE SIZE 12.7 MM, PNL DRL SZ 19.45MM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYTUBE FITTINGS, LET-LOK BULKHEAD UNION
MATERIALSTEEL STAINLESS - USE STB000 OVERALL
NOMINAL THICKNESS12.70 MILLIMETERS CENTER BULKHEAD MM
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 774LF-SS-1/2X1/2?
774LF-SS-1/2X1/2 is a UNION,PIPE.
What is the NSN for 774LF-SS-1/2X1/2?
774LF-SS-1/2X1/2 is cataloged in the U.S. Government catalog under NSN 4730-01-614-6847. This indicates validated use in U.S. government and defense supply chains.
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