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DD00300-0806 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

DD00300-0806: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON AND ALUMINUM ALLOY 6061, surface_treatment: CHROMATE, securing_device_type: SPECIAL, material_document_and_classification: MIL-C-20696 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-250/11 FED SPEC 2ND MATERIAL RESPONSE, surface_treatment_document_and_classification: MIL-C-5411,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-351-2201, 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
DD00300-0806
NSN: 4730-00-351-2201
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14798 — DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON AND ALUMINUM ALLOY 6061
surface_treatmentCHROMATE
securing_device_typeSPECIAL
material_document_and_classificationMIL-C-20696 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-250/11 FED SPEC 2ND MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5411,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
NSN4730-00-351-2201
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: DD00300-0806 · 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
SUBSTITUTES & CROSS-REFERENCES 4
10108373Reference document
Same NSN cross-reference
Reference document — Informative reference only
HH00300AP-0806Reference document
Same NSN cross-reference
Reference document — Secondary reference
DD00300AP-0806Reference document
Same NSN cross-reference
Reference document — Secondary reference
5-01032-0806Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 DD00300-0806?
DD00300-0806 is a REDUCER,TUBE.
What parts can replace DD00300-0806?
There are 4 known substitutes for DD00300-0806: 10108373, HH00300AP-0806, DD00300AP-0806 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD00300-0806?
DD00300-0806 is cataloged in the U.S. Government catalog under NSN 4730-00-351-2201. 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.