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2B-0858 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2B-0858: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, body_type: SOLID, head_type: SOLID, nut_style: PIPE LOCKNUT, core_depth: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, nut_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-010-3874, 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
2B-0858
NSN: 4730-00-010-3874
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialIRON OVERALL
body_typeSOLID
head_typeSOLID
nut_stylePIPE LOCKNUT
core_depth0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
nut_height0.250 INCHES NOMINAL IN
thread_class3A EXTERNAL A
thread_seriesNPT
exterior_colorSILVER OVERALL
drive_end_styleRAISED SQUARE
connection_stylePLAIN
special_featuresHEAD HEIGHT: 0.500 IN. NOM.;BODY LENGTH: 0.750 IN. NOM. IN
NSN4730-00-010-3874
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2B-0858 · 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 9
IPD2B858Reference document
Same NSN cross-reference
Reference document — Secondary reference
2B858Reference document
Same NSN cross-reference
Reference document — Secondary reference
103874Reference document
Same NSN cross-reference
Reference document — Secondary reference
N9776PC2Reference document
Same NSN cross-reference
Reference document — Secondary reference
X103Reference document
Same NSN cross-reference
Reference document — Secondary reference
81125S41-21538PCReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2B-0858?
2B-0858 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 2B-0858?
There are 9 known substitutes for 2B-0858: IPD2B858, 2B858, 103874 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2B-0858?
2B-0858 is cataloged in the U.S. Government catalog under NSN 4730-00-010-3874. 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.