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AT141978 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AT141978: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: W/PORTS; W/SPOOL, end_item_identification: LOADER,SCOOP TYPE; DEERE AND CO; MODEL 755B. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-331-7393, 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
AT141978
NSN: 4820-01-331-7393
FSC: 4820 — Valves, Nonpowered
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
special_featuresW/PORTS; W/SPOOL
end_item_identificationLOADER,SCOOP TYPE; DEERE AND CO; MODEL 755B
NSN4820-01-331-7393
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AT141978 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESW/PORTS; W/SPOOL
END ITEM IDENTIFICATIONLOADER,SCOOP TYPE; DEERE AND CO; MODEL 755B
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
AT104262Reference 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
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FREQUENTLY ASKED QUESTIONS
What is AT141978?
AT141978 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace AT141978?
There is 1 known substitute for AT141978: AT104262. Substitute compatibility should be verified for your specific system.
What is the NSN for AT141978?
AT141978 is cataloged in the U.S. Government catalog under NSN 4820-01-331-7393. 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.