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50-19A — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

50-19A: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include overall_width: 32.500 INCHES NOMINAL IN, overall_height: 8.250 INCHES MINIMUM AND 38.500 INCHES MAXIMUM IN, overall_length: 52.000 INCHES NOMINAL IN, general_characteristics_item_description: CAPACITY, 2200 LBS. LBS, part_name_assigned_by_controlling_agency: LOW-LIFT TRANSMISSION JACK.

This part is cataloged in the U.S. Government catalog under NSN 4810-01-078-4562, 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
50-19A
NSN: 4810-01-078-4562
NIINs: 010784562, 012747136, 015328282
FSC: 4810 — Valves, Powered
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
overall_width32.500 INCHES NOMINAL IN
overall_height8.250 INCHES MINIMUM AND 38.500 INCHES MAXIMUM IN
overall_length52.000 INCHES NOMINAL IN
general_characteristics_item_descriptionCAPACITY, 2200 LBS. LBS
part_name_assigned_by_controlling_agencyLOW-LIFT TRANSMISSION JACK
NSN4810-01-078-4562
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50-19A · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.156 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
•
CRITICALITY CODE JUSTIFICATION: CQKM
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.120 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.156 INCHES NOMINAL IN
FLANGE DIAMETER0.875 INCHES NOMINAL IN
THREAD LENGTH0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
CRITICALITY CODE JUSTIFICATIONCQKM
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.120 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.750 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.469 INCHES NOMINAL IN
THREAD CLASS3A SINGLE THREADED PORTION A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 50-19A?
50-19A is a SEAT,VALVE.
What is the NSN for 50-19A?
50-19A is cataloged in the U.S. Government catalog under NSN 4810-01-078-4562. 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.