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4H2497 ✓ 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 SPRING ASSEMBLY,LEAF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: TUBE COUPLING, nut_height: 0.531 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF, special_features: COMPRESSION FITTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-848-7131, 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
4H2497
NSN: 4730-00-848-7131
FSC: 4730
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_styleTUBE COUPLING
nut_height0.531 INCHES NOMINAL IN
thread_class2B
thread_seriesUNEF
special_featuresCOMPRESSION FITTING
thread_directionRIGHT-HAND
length_to_shoulder0.300 INCHES NOMINAL IN
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.6250 INCHES IN
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 4 OTHER WEAPON SYSTEMS.
smallest_inside_diameter0.406 INCHES NOMINAL IN
NSN4730-00-848-7131
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4H2497 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
09-17810Interchangeable
interchangeable cross-reference
interchangeable
17810Interchangeable
Ef-ZG985
interchangeable
KH28730Interchangeable
interchangeable cross-reference
interchangeable
917810Interchangeable
interchangeable cross-reference
interchangeable
265205R1Interchangeable
interchangeable cross-reference
interchangeable
222114Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4H2497?
4H2497 is a SPRING ASSEMBLY,LEAF.
What parts can replace 4H2497?
There are 11 known substitutes for 4H2497: 09-17810, 17810, KH28730 and 8 more. Substitute compatibility should be verified for your specific system.
Is 4H2497 still available?
4H2497 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