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659424 — DUCT,AIR,SPECTROMETER

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

659424: DUCT,AIR,SPECTROMETER.

The DUCT,AIR,SPECTROMETER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: RUBBER,CELLULAR,MIL-C-3133,GRADE SC43,8.690 IN. LG,TAPERED FROM 2.190 IN.

ID TO 0.940 IN. ID IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-001-2325, 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
659424
NSN: 4720-00-001-2325
FSC: 4720 — Hose and Flexible Tubing
CAGE: 05234 — THERMO JARRELL ASH CORP BAIRD DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionRUBBER,CELLULAR,MIL-C-3133,GRADE SC43,8.690 IN. LG,TAPERED FROM 2.190 IN. ID TO 0.940 IN. ID IN
NSN4720-00-001-2325
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 659424 · 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: RUBBER,CELLULAR,MIL-C-3133,GRADE SC43,8.690 IN. LG,TAPERED FROM 2.190 IN. ID TO 0.940 IN. ID IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRUBBER,CELLULAR,MIL-C-3133,GRADE SC43,8.690 IN. LG,TAPERED FROM 2.190 IN. ID TO 0.940 IN. ID IN
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 659424?
659424 is a DUCT,AIR,SPECTROMETER.
What is the NSN for 659424?
659424 is cataloged in the U.S. Government catalog under NSN 4720-00-001-2325. 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.