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Technical Data Sheet
PartsTable / COMPONENT / MS87021-16
MS87021-16 ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, connection_style: GRIPPING NIPPLE (NOSE) SECOND END, surface_treatment: ANODIZE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-936-2364, 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
MS87021-16
NSN: 4730-00-936-2364
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle12.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
surface_treatmentANODIZE OVERALL
operating_pressure750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.312 INCHES FIRST END IN
maximum_operating_temp121.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length2.960 INCHES IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
NSN4730-00-936-2364
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS87021-16 · 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: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
•
OPERATING PRESSURE: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL OVERALL LENGTH: 2.960 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES FIRST END IN
•
MAXIMUM OPERATING TEMP: 121.0 FAHRENHEIT SECOND RESPONSE DEGF
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
•
THREAD CLASS: 3B FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLESWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OVERALL LENGTH2.960 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
MAXIMUM OPERATING TEMP121.0 FAHRENHEIT SECOND RESPONSE DEGF
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
THREAD CLASS3B FIRST END
THREAD QUANTITY PER INCH12 FIRST END
SEAT ANGLE12.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
8891-16DInterchangeable
interchangeable cross-reference
interchangeable
MS87020-16Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/3Interchangeable
interchangeable cross-reference
interchangeable
680-4Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-83798/3Interchangeable
interchangeable cross-reference
interchangeable
136-1090-20DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS87021-16?
MS87021-16 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace MS87021-16?
There are 29 known substitutes for MS87021-16: 8891-16D, MS87020-16, MIL-DTL-83798/3 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS87021-16?
MS87021-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-936-2364. 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