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SAE-J518-1 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 1.030 INCHES NOMINAL IN, flange_width: 3.720 INCHES NOMINAL IN, recess_depth: 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, flange_length: 3.940 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN, recess_diameter: 2.834 INCHES MINIMUM AND 2.854 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-3010, 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
SAE-J518-1
NSN: 4730-01-432-3010
FSC: 4730
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL
thickness1.030 INCHES NOMINAL IN
flange_width3.720 INCHES NOMINAL IN
recess_depth0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
flange_length3.940 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN
recess_diameter2.834 INCHES MINIMUM AND 2.854 INCHES MAXIMUM IN
style_designatorBOLT HOLE CONNECTOR PLATE
bolt_hole_diameter0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
flange_section_styleRAISED FACED, DISHED
supplementary_features4 BOLT SPLIT FLANGE CONNECTION, STRAIGHT, SPLIT FLANGE TO FLANGED HEAD, STANDARD PRESSURE SERIES MADE OF CARBON STEEL
end_item_identificationEND ITEM NSN: 5420-00-889-2020
nondefinitive_spec/std_data4 FIGURE AND 1A TABLE A
NSN4730-01-432-3010
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SAE-J518-1 · 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 SECTION STYLE: PLAIN FACE
•
FACE SEATING SURFACE CONDITION: MACHINED
•
STYLE DESIGNATOR: BOLT HOLE CONNECTOR PLATE
•
THICKNESS: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
BOLT HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
FLANGE WIDTH: 1.718 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE SECTION STYLEPLAIN FACE
FACE SEATING SURFACE CONDITIONMACHINED
STYLE DESIGNATORBOLT HOLE CONNECTOR PLATE
THICKNESS0.500 INCHES NOMINAL IN
MATERIALSTEEL
BOLT HOLE DIAMETER0.344 INCHES NOMINAL IN
FLANGE WIDTH1.718 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.344 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.500 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
874087Interchangeable
interchangeable cross-reference
interchangeable
32444Interchangeable
interchangeable cross-reference
interchangeable
321MBW1Interchangeable
interchangeable cross-reference
interchangeable
SFK-24Interchangeable
interchangeable cross-reference
interchangeable
3070AS574-5Interchangeable
interchangeable cross-reference
interchangeable
3070AS574Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE-J518-1?
SAE-J518-1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace SAE-J518-1?
There are 21 known substitutes for SAE-J518-1: 874087, 32444, 321MBW1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE-J518-1?
SAE-J518-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-3010. 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