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12273511 ✓ 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 BUSHING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 1.290 INCHES NOMINAL IN, male_end_thread_size: 7/16-20, male_end_thread_class: 2A A, female_end_thread_size: 1/4-18, male_end_thread_length: 0.450 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-203-3433, 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
12273511
NSN: 4730-01-203-3433
FSC: 4730
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL
overall_length1.290 INCHES NOMINAL IN
male_end_thread_size7/16-20
male_end_thread_class2A A
female_end_thread_size1/4-18
male_end_thread_length0.450 INCHES NOMINAL IN
female_end_thread_length0.840 INCHES NOMINAL IN
wrenching_facility_shapeHEXAGON
male_end_thread_directionRIGHT-HAND
female_end_thread_directionRIGHT-HAND
male_end_screw_thread_series_designatorUNF
female_end_screw_thread_series_designatorNPTF
NSN4730-01-203-3433
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12273511 · 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
•
MALE END THREAD SIZE: 7/16-20
•
FEMALE END SCREW THREAD SERIES DESIGNATOR: NPTF
•
FEMALE END THREAD LENGTH: 0.840 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
FEMALE END THREAD DIRECTION: RIGHT-HAND
•
MALE END THREAD DIRECTION: RIGHT-HAND
•
MALE END THREAD LENGTH: 0.450 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MALE END THREAD SIZE7/16-20
FEMALE END SCREW THREAD SERIES DESIGNATORNPTF
FEMALE END THREAD LENGTH0.840 INCHES NOMINAL IN
MATERIALSTEEL
FEMALE END THREAD DIRECTIONRIGHT-HAND
MALE END THREAD DIRECTIONRIGHT-HAND
OVERALL LENGTH1.290 INCHES NOMINAL IN
MALE END THREAD LENGTH0.450 INCHES NOMINAL IN
WRENCHING FACILITY SHAPEHEXAGON
MALE END THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
13207E6290Interchangeable
interchangeable cross-reference
interchangeable
J514Interchangeable
interchangeable cross-reference
interchangeable
787X4X4Interchangeable
interchangeable cross-reference
interchangeable
7265X4X4Interchangeable
Same NIIN cross-reference
interchangeable
4730012033433Interchangeable
Same NIIN cross-reference
interchangeable
4-4-GU-SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12273511?
12273511 is a ADAPTER BUSHING.
What parts can replace 12273511?
There are 6 known substitutes for 12273511: 13207E6290, J514, 787X4X4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12273511?
12273511 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-203-3433. 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