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PartsTable / COMPONENT / 458-56155
458-56155 ✓ 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 BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include overall_width: 5.380 INCHES NOMINAL IN, overall_height: 0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, overall_length: 2.790 INCHES MINIMUM AND 2.820 INCHES MAXIMUM IN, special_features: NHA5865-01-213-8701EW;NOUN RECEIVER PROCESSOR;P/N 318401-901;CAGE 81413, end_item_identification: AN/ALQ-131 RECEIVER, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SOURCE CONTROLLED DRAWING NO. 81413-302921.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-159-2862, 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
458-56155
NSN: 4730-01-159-2862
FSC: 4730
CAGE: 82918 — THE BOEING COMPANY DIV LEGACY WICHITA (USA)
SPECIFICATIONS
overall_width5.380 INCHES NOMINAL IN
overall_height0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
overall_length2.790 INCHES MINIMUM AND 2.820 INCHES MAXIMUM IN
special_featuresNHA5865-01-213-8701EW;NOUN RECEIVER PROCESSOR;P/N 318401-901;CAGE 81413
end_item_identificationAN/ALQ-131 RECEIVER
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SOURCE CONTROLLED DRAWING NO. 81413-302921
NSN4730-01-159-2862
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 458-56155 · 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 14
128SCAV622-3Interchangeable
interchangeable cross-reference
interchangeable
20-2921Interchangeable
interchangeable cross-reference
interchangeable
39145Interchangeable
interchangeable cross-reference
interchangeable
19028-1Interchangeable
interchangeable cross-reference
interchangeable
20970-1Interchangeable
interchangeable cross-reference
interchangeable
20738-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 458-56155?
458-56155 is a BOLT,FLUID PASSAGE.
What parts can replace 458-56155?
There are 14 known substitutes for 458-56155: 128SCAV622-3, 20-2921, 39145 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 458-56155?
458-56155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-159-2862. 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