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Technical Data Sheet
PartsTable / COMPONENT / C5-19-1900
C5-19-1900 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM OR STEEL OR STEEL CORROSION RESISTING BODY, leg_length: 1.060 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END, connection_style: BEADED ALL ENDS, special_features: COUPLING HALF FOR QUICK RELEASE OF INDIVIDUALS MASK FROM VEHICLE FILTER UNIT; MUST MEET REQUIREMENTS OF MIL-C-51073. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-935-1643, 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
C5-19-1900
NSN: 4730-00-935-1643
FSC: 4730
CAGE: 81361 — EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC (USA)
SPECIFICATIONS
materialALUMINUM OR STEEL OR STEEL CORROSION RESISTING BODY
leg_length1.060 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
connection_styleBEADED ALL ENDS
special_featuresCOUPLING HALF FOR QUICK RELEASE OF INDIVIDUALS MASK FROM VEHICLE FILTER UNIT; MUST MEET REQUIREMENTS OF MIL-C-51073
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE OR CADMIUM OR PASSIVATE BODY
end_item_identification2350-00-808-7100; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
quick_disconnect_methodPUSH-PULL FIRST QUICK DISCONNECT END
mating_end_identificationEDGEWOOD ARSENAL COUPLING HALF,QUICK DISCONNECT,DWG NO. C5-1-272
nominal_inside_diameter_hose_accommodated0.900 INCHES ALL ENDS IN
NSN4730-00-935-1643
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C5-19-1900 · 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: 1.060 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY BODY
•
MATING END IDENTIFICATION: EDGEWOOD ARSENAL COUPLING HALF,QUICK DISCONNECT,DWG NO. C5-1-272
•
CONNECTION STYLE: BEADED ALL ENDS
•
SURFACE TREATMENT: ANODIZE BODY
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.060 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY BODY
MATING END IDENTIFICATIONEDGEWOOD ARSENAL COUPLING HALF,QUICK DISCONNECT,DWG NO. C5-1-272
CONNECTION STYLEBEADED ALL ENDS
SURFACE TREATMENTANODIZE BODY
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.875 INCHES ALL ENDS IN
SPECIAL FEATURESAS MODIFIED BY SELF SEALING TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
10503459Interchangeable
interchangeable cross-reference
interchangeable
471-100-1Interchangeable
interchangeable cross-reference
interchangeable
6209-047Interchangeable
interchangeable cross-reference
interchangeable
2GK221Interchangeable
Same NIIN cross-reference
interchangeable
6212-020Interchangeable
Same NIIN cross-reference
interchangeable
MIL-C-51073Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C5-19-1900?
C5-19-1900 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace C5-19-1900?
There are 8 known substitutes for C5-19-1900: 10503459, 471-100-1, 6209-047 and 5 more. Substitute compatibility should be verified for your specific system.
Is C5-19-1900 still available?
C5-19-1900 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026