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51875K74 — TEE,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

51875K74: TEE,PIPE TO TUBE.

The TEE,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 1.062 INCHES NOMINAL ALL ENDS IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-033-5394, 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
51875K74
NSN: 4730-01-033-5394
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length1.062 INCHES NOMINAL ALL ENDS IN
seat_angle12.0 DEGREES FIRST END
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) THIRD END
nominal_thread_size0.125 INCHES THIRD END IN
thread_series_designatorNPT THIRD END
nominal_outside_diameter_tube_accommodated0.375 INCHES SECOND END IN
NSN4730-01-033-5394
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 51875K74 · 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 (PIPE) THIRD END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
LEG LENGTH1.062 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.562 INCHES SECOND END IN
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 5
563624Reference document
Same NSN cross-reference
Reference document — Secondary reference
3149257Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7203578Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
272-P-3/8X1/8Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
272P6-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 51875K74?
51875K74 is a TEE,PIPE TO TUBE.
What parts can replace 51875K74?
There are 5 known substitutes for 51875K74: 563624, 3149257, 7203578 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51875K74?
51875K74 is cataloged in the U.S. Government catalog under NSN 4730-01-033-5394. This indicates validated use in U.S. government and defense supply chains.
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