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70001-146 — REDUCER,BOSS,ARREST

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

70001-146: REDUCER,BOSS,ARREST.

The REDUCER,BOSS,ARREST is a the manufacturer industrial component. Key specifications include end_item_identification: BAK-12; EMERGENCY AIRCRAFT ARRESTING SYSTEM, part_name_assigned_by_controlling_agency: REDUCER, TUBE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-600-4098, 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
70001-146
NSN: 4730-01-600-4098
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
end_item_identificationBAK-12; EMERGENCY AIRCRAFT ARRESTING SYSTEM
part_name_assigned_by_controlling_agencyREDUCER, TUBE
NSN4730-01-600-4098
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 70001-146 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYREDUCER, TUBE
END ITEM IDENTIFICATIONBAK-12; EMERGENCY AIRCRAFT ARRESTING SYSTEM
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
4730PL2178342Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 70001-146?
70001-146 is a REDUCER,BOSS,ARREST.
What parts can replace 70001-146?
There is 1 known substitute for 70001-146: 4730PL2178342. Substitute compatibility should be verified for your specific system.
What is the NSN for 70001-146?
70001-146 is cataloged in the U.S. Government catalog under NSN 4730-01-600-4098. This indicates validated use in U.S. government and defense supply chains.
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