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AN832-3 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A CENTER BULKHEAD A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: FLARED (TUBE) FIRST END, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-391-4487, 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
AN832-3
NSN: 4730-01-391-4487
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3A CENTER BULKHEAD A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleFLARED (TUBE) FIRST END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES CENTER BULKHEAD IN
nominal_overall_length1.859 INCHES IN
thread_tolerance_class3A EXTERNAL ALL ENDS A
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) CENTER BULKHEAD
specification/standard_data88044-AN832 GOVERNMENT STANDARD AND 81343-AS4841 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_outside_diameter_tube_accommodated0.188 INCHES FIRST END IN
NSN4730-01-391-4487
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN832-3 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
THREAD TOLERANCE CLASS: 3A EXTERNAL ALL ENDS A
•
SPECIFICATION/STANDARD DATA: 88044-AN832 GOVERNMENT STANDARD AND 81343-AS4841 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
SEAT ANGLE37.0 DEGREES FIRST END
THREAD TOLERANCE CLASS3A EXTERNAL ALL ENDS A
SPECIFICATION/STANDARD DATA88044-AN832 GOVERNMENT STANDARD AND 81343-AS4841 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
THREAD CLASS3A ALL ENDS A
THREAD CLASS3A CENTER BULKHEAD A
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AS54063Interchangeable
interchangeable cross-reference
interchangeable
A85Interchangeable
interchangeable cross-reference
interchangeable
252-7108324PN238Interchangeable
interchangeable cross-reference
interchangeable
AS5406Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AS4841Interchangeable
Same NIIN cross-reference
interchangeable
AS4841Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN832-3?
AN832-3 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AN832-3?
There are 7 known substitutes for AN832-3: AS54063, A85, 252-7108324PN238 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN832-3?
AN832-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-391-4487. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026