PartsTable
Technical Data Sheet
37990 ✓ Verified by PartsTable
Lindy · 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

<b>High quality optical digital interconnect!</b><br>- Designed for home theatre and professional AV installations;<br>- Compatible with all optical SPDIF equipped devices which use the TosLink / optical SPDIF interface;<br>- High grade fibre optic core with bronze ferrule for the clearest, most accurate digital audio transmission;<br>- Ultra flexible triple layer protective jacket for advanced protection;<br>- Sturdy, gold plated metal connector body for added strength;<br>- Fully quality tested;<br>- 25 years warranty;<br>- Available in lengths from 0.5m to 50m. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-603-5184, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
37990
NSN: 4730-00-603-5184
FSC: 4730
CAGE: 36346 — UNION CARBIDE CORP SUB OF DOW CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
conductor_formSTRANDED ALL CONDUCTORS
overall_length10.000 INCHES IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
termination_typeSTRIPPED BOTH ENDS ALL CONDUCTORS
conductor_quantity2
end_item_identificationSEAWOLF CLASS SSN
cross-sectional_shape_styleROUND
material_document_and_classificationAISI 4140 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-603-5184
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 37990 · Lindy ⚠ 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
KEY FEATURES
MATERIAL: COPPER ALLOY OVERALL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2190391Interchangeable
interchangeable cross-reference
interchangeable
3799Interchangeable
interchangeable cross-reference
interchangeable
37332DInterchangeable
interchangeable cross-reference
interchangeable
959016Interchangeable
interchangeable cross-reference
interchangeable
4880Interchangeable
interchangeable cross-reference
interchangeable
19229P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37990?
37990 is a CORD ASSEMBLY,ELECTRICAL manufactured by Lindy.
What parts can replace 37990?
There are 11 known substitutes for 37990: 2190391, 3799, 37332D and 8 more. Substitute compatibility should be verified for your specific system.
Is 37990 still available?
37990 is currently cancelled.
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