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2621-166-04 — ELBOW,FLANGE TO PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2621-166-04: ELBOW,FLANGE TO PIPE.

The ELBOW,FLANGE TO PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.500 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, surface_treatment: CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-146-8860, 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
2621-166-04
NSN: 4730-01-146-8860
NIINs: 011468860, 011468861, 011479328, 011529266, 011625112, 011731247, 011787076, 013186223, 013291844, 013291845, 013503736, 013503783, 013503784, 013503785
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
flow_angle90.0 DEGREES
leg_length2.500 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
surface_treatmentCHROMATE OVERALL
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.500 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
nominal_pipe_size_accommodated1.500 INCHES ALL ENDS IN
material_document_and_classificationQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-146-8860
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2621-166-04 · 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: RECTANGULAR WITH HOLES SECOND END
•
FURNISHED ITEMS AND QUANTITY: 4 BOLT AND 1 PREFORMED PACKING AND 4 LOCK WASHER
•
FLOW ANGLE: 90.0 DEGREES
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES FIRST END IN
•
FLANGE FACE DESIGN: RAISED STRAIGHT SECOND END
•
CONNECTION STYLE: SOCKET (PIPE) FIRST END
•
NOMINAL LENGTH: 5.750 INCHES SECOND END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
FURNISHED ITEMS AND QUANTITY4 BOLT AND 1 PREFORMED PACKING AND 4 LOCK WASHER
FLOW ANGLE90.0 DEGREES
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES FIRST END IN
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
CONNECTION STYLESOCKET (PIPE) FIRST END
NOMINAL LENGTH5.750 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION TYPEFLANGE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
SUBSTITUTES & CROSS-REFERENCES 1
845-4775995Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2621-166-04?
2621-166-04 is a ELBOW,FLANGE TO PIPE.
What parts can replace 2621-166-04?
There is 1 known substitute for 2621-166-04: 845-4775995. Substitute compatibility should be verified for your specific system.
What is the NSN for 2621-166-04?
2621-166-04 is cataloged in the U.S. Government catalog under NSN 4730-01-146-8860. This indicates validated use in U.S. government and defense supply chains.
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