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Technical Data Sheet
PartsTable / COMPONENT / 5B2403
5B2403 ✓ 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 INSERT,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include height: 0.281 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.250 INCHES NOMINAL IN, shank_diameter: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, special_features: SUPPORTS HOWITZER,LIGHT TOWED;105-MM,M102,1015-00-086-8164, style_designator: STRAIGHT, W/BALL CHECK, W/SHOULDER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7003, 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
5B2403
NSN: 4730-00-277-7003
FSC: 4730
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
height0.281 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.250 INCHES NOMINAL IN
shank_diameter0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
special_featuresSUPPORTS HOWITZER,LIGHT TOWED;105-MM,M102,1015-00-086-8164
style_designatorSTRAIGHT, W/BALL CHECK, W/SHOULDER
surface_treatmentNICKEL OVERALL
assembly_clearance_radius0.141 INCHES NOMINAL IN
NSN4730-00-277-7003
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5B2403 · 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
•
ASSEMBLY CLEARANCE RADIUS: 0.141 INCHES NOMINAL IN
•
HEIGHT: 0.281 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT, W/BALL CHECK, W/SHOULDER
•
SHANK LENGTH: 0.250 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSUPPORTS HOWITZER,LIGHT TOWED;105-MM,M102,1015-00-086-8164
ASSEMBLY CLEARANCE RADIUS0.141 INCHES NOMINAL IN
HEIGHT0.281 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT, W/BALL CHECK, W/SHOULDER
SHANK LENGTH0.250 INCHES NOMINAL IN
SHANK DIAMETER0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
M10-2Interchangeable
Revolver,caliber .38
interchangeable
Q2421Interchangeable
interchangeable cross-reference
interchangeable
X-2054Interchangeable
interchangeable cross-reference
interchangeable
MILC1258Interchangeable
interchangeable cross-reference
interchangeable
EX14-50Interchangeable
interchangeable cross-reference
interchangeable
B107.10MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5B2403?
5B2403 is a INSERT,ELECTRICAL CONNECTOR.
What parts can replace 5B2403?
There are 21 known substitutes for 5B2403: M10-2, Q2421, X-2054 and 18 more. Substitute compatibility should be verified for your specific system.
Is 5B2403 still available?
5B2403 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