PartsTable
Technical Data Sheet
653P118 ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OR STEEL COMP 316 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-1402, 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
653P118
NSN: 4730-00-541-1402
FSC: 4730
CAGE: 50036 — MIL-CRAFT MFG., INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OR STEEL COMP 316 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length1.219 INCHES IN
end_item_identification04F AIRCRAFT, STRATOFORTRESS B-52
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-541-1402
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 653P118 · 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
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
SURFACE TREATMENT: PASSIVATE OVERALL
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
NOMINAL OVERALL LENGTH: 1.219 INCHES IN
THREAD SERIES DESIGNATOR: UNF ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
SEAT ANGLE: 37.0 DEGREES FIRST END
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
SURFACE TREATMENTPASSIVATE OVERALL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OVERALL LENGTH1.219 INCHES IN
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
141118Interchangeable
interchangeable cross-reference
interchangeable
XR1902SNInterchangeable
interchangeable cross-reference
interchangeable
MS35036-153Interchangeable
interchangeable cross-reference
interchangeable
5940001434774Interchangeable
interchangeable cross-reference
interchangeable
NA632659-18Interchangeable
interchangeable cross-reference
interchangeable
BP511-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 653P118?
653P118 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 653P118?
There are 14 known substitutes for 653P118: 141118, XR1902SN, MS35036-153 and 11 more. Substitute compatibility should be verified for your specific system.
Is 653P118 still available?
653P118 is currently cancelled.
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