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12421890 — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12421890: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE FIRST END, surface_treatment: ZINC OVERALL, nominal_thread_size: 1.312 MILLIMETERS FIRST END MM, center_hole_diameter: 1.140 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-453-9651, 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
12421890
NSN: 4730-01-453-9651
NIINs: 014539651, 014805403, 014827989
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0FW39 — BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP DBA DATA SYSTEMS INTERNATIONAL INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE FIRST END
special_featuresOPTIONAL SURFACE TREATMENT IS ZINC PLATE WITH CHROMATE IAW ASTM B633,TYPE 11, CLASS FE/ZN12; ALSO FIRST AND OPTIONAL FINISHES ARE OLIVE DRAB COLOR
surface_treatmentZINC OVERALL
nominal_thread_size1.312 MILLIMETERS FIRST END MM
center_hole_diameter1.140 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
nominal_overall_length52.0 MILLIMETERS MM
end_item_identificationNSN 2320-01-354-3382
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN ALL ENDS
NSN4730-01-453-9651
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12421890 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 FLARED SLEEVE AND 1 SHORT COUPLING NUT
•
NOMINAL OVERALL LENGTH: 52.0 MILLIMETERS MM
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
NOMINAL THREAD SIZE: 1.312 MILLIMETERS FIRST END MM
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD CLASS: 2A SECOND END A
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 FLARED SLEEVE AND 1 SHORT COUPLING NUT
NOMINAL OVERALL LENGTH52.0 MILLIMETERS MM
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE1.312 MILLIMETERS FIRST END MM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A SECOND END A
THREAD CLASS2A FIRST END A
END ITEM IDENTIFICATIONFAMILY OF MEDIUM TACTICAL VEHICLES-LIGHT; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
12421890-001Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12421890?
12421890 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 12421890?
There is 1 known substitute for 12421890: 12421890-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 12421890?
12421890 is cataloged in the U.S. Government catalog under NSN 4730-01-453-9651. This indicates validated use in U.S. government and defense supply chains.
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