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A10-20738 — MANIFOLD ASSEMBLY,HYDRAULIC

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

A10-20738: MANIFOLD ASSEMBLY,HYDRAULIC.

The MANIFOLD ASSEMBLY,HYDRAULIC is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.250 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN, fastener_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-708-8491, 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
A10-20738
NSN: 4730-01-708-8491
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
thread_class2A A
thread_length2.250 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
fastener_length5.000 INCHES NOMINAL IN
hardness_rating22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
nominal_thread_diameter1.000 INCHES IN
minimum_tensile_strength110000 POUNDS PER SQUARE INCH LBS
NSN4730-01-708-8491
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A10-20738 · 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
SUBSTITUTES & CROSS-REFERENCES 2
18678 ITEM 6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
18678Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A10-20738?
A10-20738 is a MANIFOLD ASSEMBLY,HYDRAULIC.
What parts can replace A10-20738?
There are 2 known substitutes for A10-20738: 18678 ITEM 6, 18678. Substitute compatibility should be verified for your specific system.
What is the NSN for A10-20738?
A10-20738 is cataloged in the U.S. Government catalog under NSN 4730-01-708-8491. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.