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4511L53 — REDUCER,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4511L53: REDUCER,PIPE.

The REDUCER,PIPE is a the manufacturer industrial component. Key specifications include reducer_type: CONCENTRIC, special_features: WEAPON SYSTEM ESSENTIAL; BODY PVC, CLAMPS 301 SERIES STAINLESS STEEL, operating_pressure: 4.300 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 4.000 INCHES IN, end_item_identification: SHIP, OVERBOARD, furnished_items_and_quantity: 2 HOSE CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-514-5658, 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
4511L53
NSN: 4730-01-514-5658
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
reducer_typeCONCENTRIC
special_featuresWEAPON SYSTEM ESSENTIAL; BODY PVC, CLAMPS 301 SERIES STAINLESS STEEL
operating_pressure4.300 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length4.000 INCHES IN
end_item_identificationSHIP, OVERBOARD
furnished_items_and_quantity2 HOSE CLAMP
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyCOUPLING, REDUCING
NSN4730-01-514-5658
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4511L53 · 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 HOSE CLAMP
•
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
OPERATING PRESSURE: 4.300 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
REDUCER TYPE: CONCENTRIC
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 HOSE CLAMP
NOMINAL OVERALL LENGTH4.000 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
OPERATING PRESSURE4.300 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL; BODY PVC, CLAMPS 301 SERIES STAINLESS STEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING, REDUCING
END ITEM IDENTIFICATIONSHIP, OVERBOARD
REDUCER TYPECONCENTRIC
SUBSTITUTES & CROSS-REFERENCES 1
6391450Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 4511L53?
4511L53 is a REDUCER,PIPE.
What parts can replace 4511L53?
There is 1 known substitute for 4511L53: 6391450. Substitute compatibility should be verified for your specific system.
What is the NSN for 4511L53?
4511L53 is cataloged in the U.S. Government catalog under NSN 4730-01-514-5658. This indicates validated use in U.S. government and defense supply chains.
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