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1376-18-598 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1376-18-598: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OR STEEL CORROSION RESISTING OVERALL, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, surface_treatment: PASSIVATE OVERALL, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-162-0107, 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
1376-18-598
NSN: 4730-01-162-0107
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: A0199 — LEONARDO S.P.A. - ELECTRONICS DIVISION - DEFENCE BUSINESS AREA (ITA)
SPECIFICATIONS
materialSTEEL COMP 316 OR STEEL CORROSION RESISTING OVERALL
reducer_typeCONCENTRIC
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
surface_treatmentPASSIVATE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.062 INCHES SECOND END IN
nominal_overall_length1.750 INCHES IN
media_for_which_designedOXYGEN, GASEOUS SECOND RESPONSE
thread_quantity_per_inch12 ALL ENDS
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
specification/standard_data96906-AS21916 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN4730-01-162-0107
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1376-18-598 · 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 OVERALL LENGTH: 1.750 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 1.312 INCHES FIRST END IN
•
SPECIFICATION/STANDARD DATA: 96906-AS21916 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL OVERALL LENGTH1.750 INCHES IN
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
NOMINAL THREAD SIZE1.062 INCHES SECOND END IN
SPECIFICATION/STANDARD DATA96906-AS21916 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
SURFACE TREATMENTPASSIVATE OVERALL
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
SUBSTITUTES & CROSS-REFERENCES 7
AS18280Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS21916Reference document
Same NSN cross-reference
Reference document — Secondary reference
5749803 PC160Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS219K16-12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SAE-AS18280Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS21916K16-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1376-18-598?
1376-18-598 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 1376-18-598?
There are 7 known substitutes for 1376-18-598: AS18280, AS21916, 5749803 PC160 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1376-18-598?
1376-18-598 is cataloged in the U.S. Government catalog under NSN 4730-01-162-0107. This indicates validated use in U.S. government and defense supply chains.
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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.