PartsTable
Technical Data Sheet
53673C1 ✓ 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 COMP 12L14 OR STEEL COMP 1010 ELBOW, flow_angle: 90.0 DEGREES, leg_length: 1.031 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-811-1848, 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
53673C1
NSN: 4730-00-811-1848
FSC: 4730
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OR STEEL COMP 1010 ELBOW
flow_angle90.0 DEGREES
leg_length1.031 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPHOSPHATE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES ALL ENDS IN
media_for_which_designedFLUID FIRST RESPONSE
thread_series_designatorUNF ALL ENDS
NSN4730-00-811-1848
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 53673C1 · 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
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
LEG LENGTH: 1.031 INCHES NOMINAL SECOND END IN
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNED: FLUID FIRST RESPONSE
SPECIFICATION/STANDARD DATA: 81349-MIL-F-18866 GOVERNMENT SPECIFICATION AND 96906-MS51527 GOVERNMENT STANDARD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
FURNISHED ITEMS AND QUANTITY: 1 LOCKNUT AND 1 FLAT WASHER AND 1 PREFORMED PACKING
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
LEG LENGTH1.031 INCHES NOMINAL SECOND END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDFLUID FIRST RESPONSE
SPECIFICATION/STANDARD DATA81349-MIL-F-18866 GOVERNMENT SPECIFICATION AND 96906-MS51527 GOVERNMENT STANDARD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
FURNISHED ITEMS AND QUANTITY1 LOCKNUT AND 1 FLAT WASHER AND 1 PREFORMED PACKING
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SURFACE TREATMENTPHOSPHATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
C5515X20Interchangeable
interchangeable cross-reference
interchangeable
2503-20-20Interchangeable
interchangeable cross-reference
interchangeable
107A-0091Interchangeable
interchangeable cross-reference
interchangeable
4730010260446Interchangeable
interchangeable cross-reference
interchangeable
4730PL0649962Interchangeable
interchangeable cross-reference
interchangeable
6BCACInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53673C1?
53673C1 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 53673C1?
There are 24 known substitutes for 53673C1: C5515X20, 2503-20-20, 107A-0091 and 21 more. Substitute compatibility should be verified for your specific system.
Is 53673C1 still available?
53673C1 is currently cancelled.
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