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AP318T0412 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AP318T0412: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY BODY, reducer_type: CONCENTRIC, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: INVERTED FLARE (TUBE) FIRST END, style_designator: CENTER WRENCHING FACILITY, operating_pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-691-8622, 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
AP318T0412
NSN: 4730-01-691-8622
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01673 — SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY BODY
reducer_typeCONCENTRIC
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleINVERTED FLARE (TUBE) FIRST END
style_designatorCENTER WRENCHING FACILITY
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.4375 INCHES FIRST END IN
thread_quantity_per_inch3A FIRST END A
thread_series_designatorUNJS FIRST END
nominal_width_across_flats1.00 INCHES CENTER BULKHEAD IN
material_document_and_classificationAS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT
part_name_assigned_by_controlling_agencyREDUCER,SWIVEL NUT TO MALE BEAM SEAL
NSN4730-01-691-8622
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AP318T0412 · 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
•
NOMINAL WIDTH ACROSS FLATS: 1.125 INCHES SECOND END IN
•
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: CENTER WRENCHING FACILITY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS1.125 INCHES SECOND END IN
NOMINAL WIDTH ACROSS FLATS1.00 INCHES CENTER BULKHEAD IN
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
CONNECTION STYLESWIVEL NUT, GASKET SEAL (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
STYLE DESIGNATORCENTER WRENCHING FACILITY
MATERIAL DOCUMENT AND CLASSIFICATIONAS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONAS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
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
AFP3674T0412Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AP318T0412?
AP318T0412 is a REDUCER,TUBE.
What parts can replace AP318T0412?
There is 1 known substitute for AP318T0412: AFP3674T0412. Substitute compatibility should be verified for your specific system.
What is the NSN for AP318T0412?
AP318T0412 is cataloged in the U.S. Government catalog under NSN 4730-01-691-8622. This indicates validated use in U.S. government and defense supply chains.
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