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LS1021859 ✓ 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 material: NICKEL ALLOY 718 OVERALL, largest_width: 0.160 INCHES SINGLE END IN, overall_width: 0.281 INCHES IN, overall_length: 0.531 INCHES IN, size_designator: 7 MM MM, outside_diameter: 24.325 INCHES MINIMUM AND 24.375 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 4730-01-534-6537, 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
LS1021859
NSN: 4730-01-534-6537
FSC: 4730
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
largest_width0.160 INCHES SINGLE END IN
overall_width0.281 INCHES IN
overall_length0.531 INCHES IN
size_designator7 MM MM
outside_diameter24.325 INCHES MINIMUM AND 24.375 INCHES MAXIMUM IN
special_featuresFOR USE W/ END ITEM 6515-01-529-8155 DIAGNOSTIC KIT OPHTHALMOSCOPE AND OTOSCOPE IN VES (VETERINARY EQUIPMENT SET)
style_designatorCIRCULAR
aperture_diameter23.957 INCHES NOMINAL IN
basic_shape_styleSOLDER
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.016 INCHES IN
NSN4730-01-534-6537
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LS1021859 · 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 15
11-0-156Interchangeable
interchangeable cross-reference
interchangeable
11-156Interchangeable
interchangeable cross-reference
interchangeable
R11156Interchangeable
interchangeable cross-reference
interchangeable
790-011Interchangeable
interchangeable cross-reference
interchangeable
10121525Interchangeable
interchangeable cross-reference
interchangeable
5310PL0724748Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS1021859?
LS1021859 is a MANIFOLD ASSEMBLY,HYDRAULIC.
What parts can replace LS1021859?
There are 15 known substitutes for LS1021859: 11-0-156, 11-156, R11156 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LS1021859?
LS1021859 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-534-6537. 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