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357674 — TEE,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

357674: TEE,TUBE TO BOSS.

The TEE,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR STEEL COMP 347 OVERALL, leg_length: 0.781 INCHES MINIMUM AND 0.797 INCHES MAXIMUM FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B SECOND END, connection_type: THREADED EXTERNAL BOSS THIRD END, connection_style: GASKET SEAL (BOSS) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-339-2374, 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
357674
NSN: 4730-00-339-2374
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR STEEL COMP 347 OVERALL
leg_length0.781 INCHES MINIMUM AND 0.797 INCHES MAXIMUM FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class3B SECOND END
connection_typeTHREADED EXTERNAL BOSS THIRD END
connection_styleGASKET SEAL (BOSS) SECOND END
special_featuresPRESSURE TEST AT 500 PSI
nominal_thread_size0.438 INCHES FIRST END IN
thread_series_designatorUNF THIRD END
material_document_and_classificationQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-339-2374
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 357674 · 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: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL BOSS THIRD END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION STYLEDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) THIRD END
CONNECTION TYPETHREADED EXTERNAL BOSS THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
LEG LENGTH0.641 INCHES MINIMUM AND 0.656 INCHES MAXIMUM SECOND END IN
LEG LENGTH0.781 INCHES MINIMUM AND 0.797 INCHES MAXIMUM FIRST 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 357674?
357674 is a TEE,TUBE TO BOSS.
What is the NSN for 357674?
357674 is cataloged in the U.S. Government catalog under NSN 4730-00-339-2374. This indicates validated use in U.S. government and defense supply chains.
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