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PartsTable / COMPONENT / 820125 1-4
820125 1-4 ✓ 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: STEEL BODY, leg_length: 0.562 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, overall_length: 1.875 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-005-4913, 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
820125 1-4
NSN: 4730-01-005-4913
FSC: 4730
CAGE: 05463 — WHEELABRATOR-FRYE INC BALCRANK PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.562 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
overall_length1.875 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentCADMIUM BODY
nominal_thread_size0.250 INCHES ALL ENDS IN
quick_disconnect_methodSPRING PUSH-LOCK ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size1.625 INCHES ALL ENDS IN
NSN4730-01-005-4913
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 820125 1-4 · 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 STYLE: PLAIN ALL ENDS
•
QUICK DISCONNECT METHOD: SPRING PUSH-LOCK ALL ENDS
•
FEATURES PROVIDED: SELF-SEALING
•
QUICK DISCONNECT NOMINAL SIZE: 1.625 INCHES ALL ENDS IN
•
MATERIAL: STEEL BODY
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN ALL ENDS
OVERALL LENGTH1.875 INCHES NOMINAL IN
QUICK DISCONNECT METHODSPRING PUSH-LOCK ALL ENDS
FEATURES PROVIDEDSELF-SEALING
QUICK DISCONNECT NOMINAL SIZE1.625 INCHES ALL ENDS IN
MATERIALSTEEL BODY
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
THREAD SERIES DESIGNATORNPT ALL ENDS
SURFACE TREATMENTCADMIUM BODY
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
220984Interchangeable
interchangeable cross-reference
interchangeable
1866-7Interchangeable
interchangeable cross-reference
interchangeable
492652REV1ITEM43Interchangeable
interchangeable cross-reference
interchangeable
4139Interchangeable
interchangeable cross-reference
interchangeable
010.302.0075Interchangeable
interchangeable cross-reference
interchangeable
C63A0220G13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820125 1-4?
820125 1-4 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 820125 1-4?
There are 12 known substitutes for 820125 1-4: 220984, 1866-7, 492652REV1ITEM43 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820125 1-4?
820125 1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-005-4913. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026