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PartsTable / COMPONENT / MS27020-1
MS27020-1 ✓ 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 ALLOY BODY, leg_length: 0.562 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, overall_length: 1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, 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 4730-01-020-7204, 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
MS27020-1
NSN: 4730-01-020-7204
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length0.562 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
overall_length1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE BODY
nominal_thread_size0.500 INCHES ALL ENDS IN
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size1.031 INCHES ALL ENDS IN
material_document_and_classificationQQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-01-020-7204
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS27020-1 · 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
•
SURFACE TREATMENT: ANODIZE BODY
•
CONNECTION STYLE: PLAIN ALL ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
•
QUICK DISCONNECT NOMINAL SIZE: 1.031 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE BODY
CONNECTION STYLEPLAIN ALL ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
QUICK DISCONNECT NOMINAL SIZE1.031 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
LEG LENGTH0.562 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
A-A-59326/1Interchangeable
interchangeable cross-reference
interchangeable
MS27020-11Interchangeable
interchangeable cross-reference
interchangeable
300705Interchangeable
interchangeable cross-reference
interchangeable
633-A 3INInterchangeable
interchangeable cross-reference
interchangeable
AA59326/1A-8-AInterchangeable
interchangeable cross-reference
interchangeable
MS27020-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27020-1?
MS27020-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace MS27020-1?
There are 32 known substitutes for MS27020-1: A-A-59326/1, MS27020-11, 300705 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27020-1?
MS27020-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-020-7204. 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