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Technical Data Sheet
181-5000 ITEM 35 ✓ 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,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.466 INCHES NOMINAL SECOND END IN, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: GASKET SEAL (TUBE) FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-145-0972, 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
181-5000 ITEM 35
NSN: 4730-01-145-0972
FSC: 4730
CAGE: 54561 — FLUID POWER COMPONENTS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.466 INCHES NOMINAL SECOND END IN
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleGASKET SEAL (TUBE) FIRST END
nominal_thread_size0.875 INCHES FIRST END IN
thread_quantity_per_inch16 FIRST END
thread_series_designatorUNF SECOND END
nominal_outside_diameter_tube_accommodated0.625 INCHES FIRST END IN
NSN4730-01-145-0972
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 181-5000 ITEM 35 · 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
LEG LENGTH: 1.612 INCHES NOMINAL FIRST END IN
THREAD SERIES DESIGNATOR: UN FIRST END
THREAD QUANTITY PER INCH: 16 FIRST END
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL THREAD SIZE: 0.875 INCHES FIRST END IN
THREAD CLASS: 2A ALL ENDS A
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.612 INCHES NOMINAL FIRST END IN
THREAD SERIES DESIGNATORUN FIRST END
THREAD QUANTITY PER INCH16 FIRST END
LEG LENGTH1.466 INCHES NOMINAL SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
THREAD CLASS2A ALL ENDS A
FLOW ANGLE90.0 DEGREES
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
181-5021Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-13444Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-13444 TYPInterchangeable
interchangeable cross-reference
interchangeable
18150-00Interchangeable
interchangeable cross-reference
interchangeable
SA-2071/USQ-67Interchangeable
interchangeable cross-reference
interchangeable
FC-5C-5000-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181-5000 ITEM 35?
181-5000 ITEM 35 is a ELBOW,TUBE TO BOSS.
What parts can replace 181-5000 ITEM 35?
There are 16 known substitutes for 181-5000 ITEM 35: 181-5021, MIL-DTL-13444, MIL-H-13444 TYP and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 181-5000 ITEM 35?
181-5000 ITEM 35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-145-0972. This indicates validated use in U.S. government and defense supply chains.
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