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LS1040571 ✓ 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 MANIFOLD ASSEMBLY,HYDRAULIC is a the manufacturer industrial component. Key specifications include length: 0.438 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, ring_style: INTERNAL, usage_design: INTERNAL, coil_quantity: 11 1/4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-534-6497, 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
LS1040571
NSN: 4730-01-534-6497
FSC: 4730
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
length0.438 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
ring_styleINTERNAL
usage_designINTERNAL
coil_quantity11 1/4
thread_length1.440 INCHES MINIMUM IN
flute_quantity4
overall_height3.280 INCHES NOMINAL IN
overall_length2.938 INCHES NOMINAL IN
shank_diameter0.323 INCHES MINIMUM IN
inside_diameter0.598 INCHES NOMINAL IN
NSN4730-01-534-6497
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LS1040571 · 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 30
GW18Interchangeable
interchangeable cross-reference
interchangeable
11-98Interchangeable
interchangeable cross-reference
interchangeable
11-3-18Interchangeable
interchangeable cross-reference
interchangeable
756508Interchangeable
interchangeable cross-reference
interchangeable
468326Interchangeable
interchangeable cross-reference
interchangeable
756507Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS1040571?
LS1040571 is a MANIFOLD ASSEMBLY,HYDRAULIC.
What parts can replace LS1040571?
There are 30 known substitutes for LS1040571: GW18, 11-98, 11-3-18 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LS1040571?
LS1040571 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-534-6497. 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