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12421978 — ELBOW,HOSE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12421978: ELBOW,HOSE TO BOSS.

The ELBOW,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 26.0 MILLIMETERS NOMINAL FIRST END MM, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL PIPE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-469-9904, 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
12421978
NSN: 4730-01-469-9904
NIINs: 014699904, 014829343, 014946481
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0FW39 — BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP DBA DATA SYSTEMS INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length26.0 MILLIMETERS NOMINAL FIRST END MM
seat_angle37.0 DEGREES FIRST END
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleFLARED W/ GASKET SEAL (BOSS) SECOND END
special_featuresNOTE 4 ALTERED FEATURE 1/8 INCH PORT TAPPED 1/8-27 NPTF ON FLAT 180 DEGREES FROM BOSS PORT IN
surface_treatmentZINC AND CHROMATE OVERALL
nominal_thread_size0.125 INCHES ALL ENDS IN
end_item_identificationNSN 2320-01-447-3890 - TRUCK,CARGO
thread_quantity_per_inch27 ALL ENDS
NSN4730-01-469-9904
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12421978 · 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: 2 PREFORMED PACKING
•
FLOW ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM 8633,TYPEII,CLASSFE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J514 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 PREFORMED PACKING
FLOW ANGLE90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM 8633,TYPEII,CLASSFE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CONNECTION STYLEFLARED W/ GASKET SEAT (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J514 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
LEG LENGTH2.047 INCHES NOMINAL FIRST END IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12421978?
12421978 is a ELBOW,HOSE TO BOSS.
What is the NSN for 12421978?
12421978 is cataloged in the U.S. Government catalog under NSN 4730-01-469-9904. This indicates validated use in U.S. government and defense supply chains.
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