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1010721 ✓ Verified by PartsTable
3M · 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

HARNESS,AIRCRAFT SAFETY,SHOULDER. Key specifications include style_designator: STRAIGHT THRU, end_item_identification: 4120-01-307-9127. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-875-7205, 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
1010721
NSN: 4730-00-875-7205
FSC: 4730
CAGE: 14727 — CONTAINER SERVICE INC (USA)
SPECIFICATIONS
style_designatorSTRAIGHT THRU
end_item_identification4120-01-307-9127
NSN4730-00-875-7205
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1010721 · 3M ⚠ 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
•
NOMINAL OVERALL LENGTH: 1.500 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
•
THREAD CLASS: 2A SECOND END A
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.500 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
THREAD CLASS2A SECOND END A
THREAD SERIES DESIGNATORUNF SECOND END
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
101072-1Interchangeable
interchangeable cross-reference
interchangeable
101072-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1010721?
1010721 is a HARNESS,AIRCRAFT SAFETY,SHOULDER manufactured by 3M.
What parts can replace 1010721?
There are 2 known substitutes for 1010721: 101072-1, 101072-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 1010721?
1010721 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-875-7205. 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