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Technical Data Sheet
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AS1737 ✓ 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,SWAGE,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024, slot_depth: 0.008 INCHES NOMINAL IN, slot_width: 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, flange_width: 0.090 INCHES NOMINAL IN, overall_length: 0.670 INCHES NOMINAL IN, special_features: COLOR MAGENTA. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-472-8193, 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
AS1737
NSN: 4730-00-472-8193
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024
slot_depth0.008 INCHES NOMINAL IN
slot_width0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
flange_width0.090 INCHES NOMINAL IN
slot_quantity6
overall_length0.670 INCHES NOMINAL IN
special_featuresCOLOR MAGENTA
style_designatorSINGLE FLANGE
flange_inside_diameter2.979 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
flange_outside_diameter3.369 INCHES NOMINAL IN
sleeve_outside_diameter3.145 INCHES NOMINAL IN
NSN4730-00-472-8193
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS1737 · 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
•
FLANGE WIDTH: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
SLEEVE OUTSIDE DIAMETER: 1.741 INCHES MAXIMUM IN
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE FLANGE
•
SLOT QUANTITY: 6
•
FLANGE OUTSIDE DIAMETER: 1.767 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
SLEEVE OUTSIDE DIAMETER1.741 INCHES MAXIMUM IN
SPECIAL FEATURESWITH 4 LOCKWIRE HOLES 0.062 IN. DIA EQUALLY SPACED IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.500 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE FLANGE
SLOT QUANTITY6
END ITEM IDENTIFICATIONF/A-22 RAPTOR
FLANGE OUTSIDE DIAMETER1.767 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AS1737Interchangeable
interchangeable cross-reference
interchangeable
AS1737D20Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS1730Interchangeable
interchangeable cross-reference
interchangeable
AS1730Interchangeable
interchangeable cross-reference
interchangeable
T6038-32AEInterchangeable
interchangeable cross-reference
interchangeable
TC038-32AEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS1737?
AS1737 is a FERRULE,SWAGE,TUBE COUPLING.
What parts can replace AS1737?
There are 12 known substitutes for AS1737: AS1737, AS1737D20, SAE-AS1730 and 9 more. Substitute compatibility should be verified for your specific system.
Is AS1737 still available?
AS1737 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