PartsTable
Technical Data Sheet
Download PDF

1978310C1 — PARTS KIT,LINEAR DIRECTIONAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1978310C1: PARTS KIT,LINEAR DIRECTIONAL CON.

PARTS KIT,LINEAR DIRECTIONAL CON. Key specifications include end_item_name: LOADER, end_item_source: 10988, special_features: KIT-POSITIONER,FLOAT,REGENERATION, component_quantity: 19, end_item_identification: 721B, nonsupply_items_and_quantities: SCREW 4;WASHER 4;CAP 1;BOLT 1;SPACER 4;SPRING 2;O-RING 2;SLEEVE 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-440-2591, 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
1978310C1
NSN: 4820-01-440-2591
FSC: 4820 — Valves, Nonpowered
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
end_item_nameLOADER
end_item_source10988
special_featuresKIT-POSITIONER,FLOAT,REGENERATION
component_quantity19
end_item_identification721B
nonsupply_items_and_quantitiesSCREW 4;WASHER 4;CAP 1;BOLT 1;SPACER 4;SPRING 2;O-RING 2;SLEEVE 1
NSN4820-01-440-2591
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1978310C1 · 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
•
COMPONENT QUANTITY: 19
•
END ITEM SOURCE: 10988
•
END ITEM NAME: LOADER
•
NONSUPPLY ITEMS AND QUANTITIES: SCREW 4;WASHER 4;CAP 1;BOLT 1;SPACER 4;SPRING 2;O-RING 2;SLEEVE 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY19
END ITEM SOURCE10988
END ITEM NAMELOADER
NONSUPPLY ITEMS AND QUANTITIESSCREW 4;WASHER 4;CAP 1;BOLT 1;SPACER 4;SPRING 2;O-RING 2;SLEEVE 1
SPECIAL FEATURESKIT-POSITIONER,FLOAT,REGENERATION
END ITEM IDENTIFICATION721B
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1978310C1?
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 1978310C1?
1978310C1 is a PARTS KIT,LINEAR DIRECTIONAL CON.
What is the NSN for 1978310C1?
1978310C1 is cataloged in the U.S. Government catalog under NSN 4820-01-440-2591. 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 — 1978310C1

✓ 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.