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Technical Data Sheet
PartsTable / COMPONENT / 48590-1
48590-1 ✓ 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 MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include height: 0.656 INCHES NOMINAL IN, material: STEEL OVERALL, body_width: 0.310 INCHES MAXIMUM IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, shank_length: 0.266 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-5651, 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
48590-1
NSN: 4730-00-278-5651
FSC: 4730
CAGE: 72741 — DORMAN PRODUCTS, INC. DBA DORMAN (USA)
SPECIFICATIONS
height0.656 INCHES NOMINAL IN
materialSTEEL OVERALL
body_width0.310 INCHES MAXIMUM IN
body_height0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
shank_length0.266 INCHES NOMINAL IN
thread_class3A A
special_featuresSURFACE LOCATED BALL CHECK VALVE
style_designatorSTRAIGHT
features_providedMONOLITHIC AND BIPOLAR AND PROGRAMMABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
surface_treatmentZINC OVERALL
NSN4730-00-278-5651
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 48590-1 · 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
KEY FEATURES
•
THREAD CLASS: 3A A
•
SURFACE TREATMENT: ZINC OVERALL
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
SCREW THREAD SERIES DESIGNATOR: UNF
•
HEIGHT: 0.656 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
SURFACE TREATMENTZINC OVERALL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.375 INCHES IN
SCREW THREAD SERIES DESIGNATORUNF
SPECIAL FEATURESSURFACE LOCATED BALL CHECK VALVE
HEIGHT0.656 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1710BInterchangeable
interchangeable cross-reference
interchangeable
5962-3820702BEAInterchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 013Interchangeable
interchangeable cross-reference
interchangeable
M38510/20702BEAInterchangeable
interchangeable cross-reference
interchangeable
353041AS7Interchangeable
Same NIIN cross-reference
interchangeable
4730002785651Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48590-1?
48590-1 is a MICROCIRCUIT,MEMORY.
What parts can replace 48590-1?
There are 7 known substitutes for 48590-1: 1710B, 5962-3820702BEA, ROM/PROM FAMILY 013 and 4 more. Substitute compatibility should be verified for your specific system.
Is 48590-1 still available?
48590-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026