PartsTable
Technical Data Sheet
253-59-016PC99 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ELBOW,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.125 INCHES NOMINAL FIRST END IN, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 1.250 INCHES SECOND END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7917, 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
253-59-016PC99
NSN: 4730-00-277-7917
FSC: 4730
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length2.125 INCHES NOMINAL FIRST END IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size1.250 INCHES SECOND END IN
thread_series_designatorNPT SECOND END
nominal_pipe_size_accommodated1.250 INCHES SECOND END IN
NSN4730-00-277-7917
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 253-59-016PC99 · 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
THREAD SERIES DESIGNATOR: NPT SECOND END
LEG LENGTH: 2.125 INCHES NOMINAL SECOND END IN
CONNECTION STYLE: SOCKET (PIPE) FIRST END
FLOW ANGLE: 90.0 DEGREES
MATERIAL: COPPER ALLOY OVERALL
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT SECOND END
LEG LENGTH2.125 INCHES NOMINAL SECOND END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
FLOW ANGLE90.0 DEGREES
CONNECTION STYLEPLAIN (PIPE) SECOND END
LEG LENGTH2.125 INCHES NOMINAL FIRST END IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4036Interchangeable
interchangeable cross-reference
interchangeable
243045P1Interchangeable
interchangeable cross-reference
interchangeable
403-144Interchangeable
interchangeable cross-reference
interchangeable
TGJ2.536Interchangeable
interchangeable cross-reference
interchangeable
21803Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-406Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 253-59-016PC99?
253-59-016PC99 is a ELBOW,PIPE.
What parts can replace 253-59-016PC99?
There are 24 known substitutes for 253-59-016PC99: 4036, 243045P1, 403-144 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 253-59-016PC99?
253-59-016PC99 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7917. This indicates validated use in U.S. government and defense supply chains.
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