PartsTable
Technical Data Sheet
Download PDF

8-1056-4-2 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8-1056-4-2: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 1.625 INCHES NOMINAL IN, shank_diameter: 2.250 INCHES NOMINAL IN, inside_diameter: 2.090 INCHES NOMINAL IN, media_for_which_designed: FUEL, JET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-412-1890, 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
8-1056-4-2
NSN: 4820-00-412-1890
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height1.625 INCHES NOMINAL IN
shank_diameter2.250 INCHES NOMINAL IN
inside_diameter2.090 INCHES NOMINAL IN
media_for_which_designedFUEL, JET
NSN4820-00-412-1890
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8-1056-4-2 · 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
•
SHANK DIAMETER: 2.250 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.090 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: FUEL, JET
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER2.250 INCHES NOMINAL IN
OVERALL HEIGHT1.625 INCHES NOMINAL IN
INSIDE DIAMETER2.090 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDFUEL, JET
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
1-375-7-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 8-1056-4-2?
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 8-1056-4-2?
8-1056-4-2 is a DISK,VALVE.
What parts can replace 8-1056-4-2?
There is 1 known substitute for 8-1056-4-2: 1-375-7-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-1056-4-2?
8-1056-4-2 is cataloged in the U.S. Government catalog under NSN 4820-00-412-1890. 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 — 8-1056-4-2

✓ 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.