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229-2D-21 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

229-2D-21: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, special_features: NEXT ASSEMBLY ALQ172 GP A, surface_treatment: ANODIZE OVERALL, maximum_operating_temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF, end_item_identification: AIRCRAFT,AC-130A,AC-130H,MC-130H,EC-13 A. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-446-7884, 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
229-2D-21
NSN: 4730-01-446-7884
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1W337 — FOXFIRE MICROWAVE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
special_featuresNEXT ASSEMBLY ALQ172 GP A
surface_treatmentANODIZE OVERALL
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identificationAIRCRAFT,AC-130A,AC-130H,MC-130H,EC-13 A
NSN4730-01-446-7884
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 229-2D-21 · 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
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESNEXT ASSEMBLY ALQ172 GP A
SURFACE TREATMENTANODIZE OVERALL
END ITEM IDENTIFICATIONAIRCRAFT,AC-130A,AC-130H,MC-130H,EC-13 A
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
BG000088-007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BG000088Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 229-2D-21?
229-2D-21 is a REDUCER,TUBE.
What parts can replace 229-2D-21?
There are 2 known substitutes for 229-2D-21: BG000088-007, BG000088. Substitute compatibility should be verified for your specific system.
What is the NSN for 229-2D-21?
229-2D-21 is cataloged in the U.S. Government catalog under NSN 4730-01-446-7884. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.