PartsTable
Technical Data Sheet
Download PDF

PYLB51019 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PYLB51019: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include end_item_identification: ITEM USED ON SPECIAL ELECTRONIC AIRCRAFT (E2/C2), reference_number_differentiating_characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-213-2137, 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
PYLB51019
NSN: 4820-01-213-2137
FSC: 4820 — Valves, Nonpowered
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
end_item_identificationITEM USED ON SPECIAL ELECTRONIC AIRCRAFT (E2/C2)
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.
NSN4820-01-213-2137
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PYLB51019 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONITEM USED ON SPECIAL ELECTRONIC AIRCRAFT (E2/C2)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.
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 1
123SCP6008-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)
Ready to buy PYLB51019?
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 PYLB51019?
PYLB51019 is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace PYLB51019?
There is 1 known substitute for PYLB51019: 123SCP6008-1. Substitute compatibility should be verified for your specific system.
What is the NSN for PYLB51019?
PYLB51019 is cataloged in the U.S. Government catalog under NSN 4820-01-213-2137. 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 — PYLB51019

✓ 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.