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FIG5321-400 — THREAD PIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

FIG5321-400: THREAD PIECE,UNION.

The THREAD PIECE,UNION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 820, seat_type: ANGLE, overall_length: 1.670 INCHES NOMINAL IN, seat_angle_in_deg: 45.0, end_connection_type: BRAZED, union_end_thread_size: 3-1/2-10. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-295-7678, 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
FIG5321-400
NSN: 4730-01-295-7678
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 820
seat_typeANGLE
overall_length1.670 INCHES NOMINAL IN
seat_angle_in_deg45.0
end_connection_typeBRAZED
union_end_thread_size3-1/2-10
union_end_thread_directionRIGHT-HAND
nominal_pipe_size_designation2.000 INCHES IN
union_end_screw_thread_series_designatorUNS
NSN4730-01-295-7678
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: FIG5321-400 · 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
•
UNION END THREAD DIRECTION: RIGHT-HAND
•
NOMINAL PIPE SIZE DESIGNATION: 2.000 INCHES IN
•
SEAT ANGLE IN DEG: 45.0
•
END CONNECTION TYPE: BRAZED
•
UNION END THREAD SIZE: 3-1/2-10
•
SEAT TYPE: ANGLE
•
UNION END SCREW THREAD SERIES DESIGNATOR: UNS
TECHNICAL CHARACTERISTICS
UNION END THREAD DIRECTIONRIGHT-HAND
NOMINAL PIPE SIZE DESIGNATION2.000 INCHES IN
SEAT ANGLE IN DEG45.0
END CONNECTION TYPEBRAZED
UNION END THREAD SIZE3-1/2-10
OVERALL LENGTH1.670 INCHES NOMINAL IN
SEAT TYPEANGLE
UNION END SCREW THREAD SERIES DESIGNATORUNS
MATERIALCOPPER ALLOY 820
WORKING PRESSURE AND SERVICE TYPE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AIR AND 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM OIL AND 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM STEAM AND 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM WATER LBS
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 FIG5321-400?
FIG5321-400 is a THREAD PIECE,UNION.
What is the NSN for FIG5321-400?
FIG5321-400 is cataloged in the U.S. Government catalog under NSN 4730-01-295-7678. This indicates validated use in U.S. government and defense supply chains.
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