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I409 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

I409: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include end_item_identification: 4940-01-551-5941, part_name_assigned_by_controlling_agency: INFLATING GAUGE, LARGE BORE, AIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-350-9451, 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
I409
NSN: 4820-00-350-9451
NIINs: 003509451, 015560470
FSC: 4820 — Valves, Nonpowered
CAGE: 86520 — CONBRACO INDUSTRIES INC R-P AND C VALVE DIV (USA)
SPECIFICATIONS
end_item_identification4940-01-551-5941
part_name_assigned_by_controlling_agencyINFLATING GAUGE, LARGE BORE, AIR
NSN4820-00-350-9451
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: I409 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
SUBSTITUTES & CROSS-REFERENCES 9
350 1-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
254XR-1/2INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
830-1/2INReference document
Same NSN cross-reference
Reference document — Secondary reference
1021 1/2INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
350Reference document
Same NSN cross-reference
Reference document — Secondary reference
506767Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is I409?
I409 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace I409?
There are 9 known substitutes for I409: 350 1-2, 254XR-1/2IN, 830-1/2IN and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for I409?
I409 is cataloged in the U.S. Government catalog under NSN 4820-00-350-9451. 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.