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16P1921-1 — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

16P1921-1: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: ALUMINUM ALLOY, special_features: ENGINE COMPARTMENT VENT INLET, aircraft_location: FUSELAGE SECTION, side_for_which_designed: LEFT SIDE, aircraft_mission_design_series: F-16, material_document_and_classification: AMS4218-T6 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-078-8819, 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
16P1921-1
NSN: 4730-01-078-8819
NIINs: 010788819, 012564713
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
special_featuresENGINE COMPARTMENT VENT INLET
aircraft_locationFUSELAGE SECTION
side_for_which_designedLEFT SIDE
aircraft_mission_design_seriesF-16
material_document_and_classificationAMS4218-T6 MFR REF SINGLE MATERIAL RESPONSE
NSN4730-01-078-8819
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 16P1921-1 · 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
•
FLANGE SHAPE: ROUND FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION STYLE: FLARED W/ GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 1.326 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.5625 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH1.326 INCHES IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEFLANGE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.5625 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER2.000 INCHES FIRST END IN
SPECIAL FEATURESU/O F-15C/D ACFT; 0.69 IN. TUBING EXTENDED BEYOND FLANGE IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 16P1921-1?
16P1921-1 is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What is the NSN for 16P1921-1?
16P1921-1 is cataloged in the U.S. Government catalog under NSN 4730-01-078-8819. This indicates validated use in U.S. government and defense supply chains.
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