PartsTable
Technical Data Sheet
Download PDF

001521 — CARTRIDGE,CHECK VALVE

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

001521: CARTRIDGE,CHECK VALVE.

The CARTRIDGE,CHECK VALVE is a Legrand industrial component. Key specifications include special_features: STEEL, 0.562 IN. BODY DIA,ANGLE FLOW PATTERN, SPRING LOADED BALL CHECK, 1.150 IN.

O/A LG IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-089-3939, 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
001521
NSN: 4820-01-089-3939
FSC: 4820 — Valves, Nonpowered
CAGE: 75078 — JACOBS MFG CO THE (USA)
SPECIFICATIONS
special_featuresSTEEL, 0.562 IN. BODY DIA,ANGLE FLOW PATTERN, SPRING LOADED BALL CHECK, 1.150 IN. O/A LG IN
NSN4820-01-089-3939
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 001521 · Legrand ⚠ 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTEEL, 0.562 IN. BODY DIA,ANGLE FLOW PATTERN, SPRING LOADED BALL CHECK, 1.150 IN. O/A LG IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 001521?
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 001521?
001521 is a CARTRIDGE,CHECK VALVE manufactured by Legrand.
What is the NSN for 001521?
001521 is cataloged in the U.S. Government catalog under NSN 4820-01-089-3939. 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 — 001521

✓ 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.