PartsTable
Technical Data Sheet
Download PDF

421189 — WIRING HARNESS,BRANCHED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

421189: WIRING HARNESS,BRANCHED.

The WIRING HARNESS,BRANCHED is a the manufacturer industrial component. Key specifications include style_designator: PLAIN, end_item_identification: ANSUL FIRE PROTECTION FOAM NOZZLE MODEL FFF-101. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-429-9635, 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
421189
NSN: 4820-01-429-9635
NIINs: 014299635, 014732532
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
style_designatorPLAIN
end_item_identificationANSUL FIRE PROTECTION FOAM NOZZLE MODEL FFF-101
NSN4820-01-429-9635
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 421189 · 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
KEY FEATURES
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
END ITEM IDENTIFICATIONANSUL FIRE PROTECTION FOAM NOZZLE MODEL FFF-101
SUBSTITUTES & CROSS-REFERENCES 2
420052Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
420052 ITEM NO. 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 421189?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 421189?
421189 is a WIRING HARNESS,BRANCHED.
What parts can replace 421189?
There are 2 known substitutes for 421189: 420052, 420052 ITEM NO. 10. Substitute compatibility should be verified for your specific system.
What is the NSN for 421189?
421189 is cataloged in the U.S. Government catalog under NSN 4820-01-429-9635. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 421189

✓ 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.