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90-21659 — 90-21659

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

90-21659: 90-21659.

The 90-21659 is a the manufacturer industrial component. Key specifications include special_features: ESD, end_item_identification: SOLAR ELEC-OPTI NETWK, criticality_code_justification: FEAT, part_name_assigned_by_controlling_agency: CCA,HYBRID-LOW BAND. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-774-6184, 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
MRO→ MRO_GENERAL→ 90-21659
NSN: 4710-00-774-6184
NIINs: 007746184, 013608283
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
special_featuresESD
end_item_identificationSOLAR ELEC-OPTI NETWK
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyCCA,HYBRID-LOW BAND
NSN4710-00-774-6184
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 90-21659 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90-21659?
90-21659 is a 90-21659. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 90-21659?
90-21659 is cataloged in the U.S. Government catalog under NSN 4710-00-774-6184. 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.