PartsTable
Technical Data Sheet
Download PDF

20938-400 — SLEEVE AND SLIDE,DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20938-400: SLEEVE AND SLIDE,DIRECTIONAL CON.

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include material: STEEL, overall_length: 2.590 INCHES NOMINAL IN, slide_material: STEEL, sleeve_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-198-2979, 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
20938-400
NSN: 4820-01-198-2979
NIINs: 011982979, 011983032, 011998066, 012307347
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL
overall_length2.590 INCHES NOMINAL IN
slide_materialSTEEL
sleeve_materialSTEEL
NSN4820-01-198-2979
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20938-400 · 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
•
SLIDE MATERIAL: STEEL
•
SLEEVE MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SLIDE MATERIALSTEEL
SLEEVE MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
20938-400 FIND 3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 20938-400?
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 20938-400?
20938-400 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 20938-400?
There is 1 known substitute for 20938-400: 20938-400 FIND 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 20938-400?
20938-400 is cataloged in the U.S. Government catalog under NSN 4820-01-198-2979. 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 — 20938-400

✓ 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.