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Technical Data Sheet
PartsTable / COMPONENT / AN800-12
AN800-12 ✓ 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 FERRULE,BRAZING,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, seat_radius: 0.625 INCHES NOMINAL IN, flange_width: 0.250 INCHES NOMINAL IN, overall_length: 1.438 INCHES NOMINAL IN, style_designator: COMPRESSION, flange_face_diameter: 0.688 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-0832, 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
AN800-12
NSN: 4730-00-278-0832
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_radius0.625 INCHES NOMINAL IN
flange_width0.250 INCHES NOMINAL IN
overall_length1.438 INCHES NOMINAL IN
style_designatorCOMPRESSION
flange_face_diameter0.688 INCHES NOMINAL IN
flange_inside_diameter0.625 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
flange_outside_diameter1.000 INCHES NOMINAL IN
sleeve_outside_diameter0.859 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
distance_from_flanged_end_to_tubing_clearance_hole0.312 INCHES NOMINAL IN
NSN4730-00-278-0832
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN800-12 · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SLEEVE OUTSIDE DIAMETER: 0.859 INCHES NOMINAL IN
•
SEAT RADIUS: 0.625 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.250 INCHES NOMINAL IN
•
FLANGE INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
DISTANCE FROM FLANGED END TO TUBING CLEARANCE HOLE: 0.312 INCHES NOMINAL IN
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
SLEEVE OUTSIDE DIAMETER0.859 INCHES NOMINAL IN
SEAT RADIUS0.625 INCHES NOMINAL IN
FLANGE WIDTH0.250 INCHES NOMINAL IN
FLANGE INSIDE DIAMETER0.625 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
DISTANCE FROM FLANGED END TO TUBING CLEARANCE HOLE0.312 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
STYLE DESIGNATORCOMPRESSION
FLANGE FACE DIAMETER0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
74962Interchangeable
interchangeable cross-reference
interchangeable
5509Interchangeable
interchangeable cross-reference
interchangeable
AN780-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-6001Interchangeable
interchangeable cross-reference
interchangeable
3100994Interchangeable
interchangeable cross-reference
interchangeable
7106Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN800-12?
AN800-12 is a FERRULE,BRAZING,TUBE FITTING.
What parts can replace AN800-12?
There are 19 known substitutes for AN800-12: 74962, 5509, AN780-2 and 16 more. Substitute compatibility should be verified for your specific system.
Is AN800-12 still available?
AN800-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026