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AN804-5 ✓ 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,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 1.609 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-9385, 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
AN804-5
NSN: 4730-00-278-9385
FSC: 4730
CAGE: 06581 — ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.609 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES ALL ENDS IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
specification/standard_data88044-AN804 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated0.312 INCHES ALL ENDS IN
surface_treatment_document_and_classificationQQ-A-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-278-9385
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN804-5 · 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 OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES ALL ENDS IN
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
•
LEG LENGTH: 0.953 INCHES NOMINAL SECOND END IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SPECIFICATION/STANDARD DATA: 88044-AN804 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES ALL ENDS IN
CONNECTION STYLEFLARED (TUBE) ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
LEG LENGTH0.953 INCHES NOMINAL SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SPECIFICATION/STANDARD DATA88044-AN804 GOVERNMENT STANDARD
THREAD CLASS3A ALL ENDS A
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
GGG-P-831 TY8CLAST2SZ7Interchangeable
interchangeable cross-reference
interchangeable
34507Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-831Interchangeable
interchangeable cross-reference
interchangeable
AS4841Interchangeable
Same NIIN cross-reference
interchangeable
AS1033-050505Interchangeable
Same NIIN cross-reference
interchangeable
AS1033Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN804-5?
AN804-5 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace AN804-5?
There are 8 known substitutes for AN804-5: GGG-P-831 TY8CLAST2SZ7, 34507, GGG-P-831 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN804-5?
AN804-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-9385. 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