PartsTable
Technical Data Sheet
Download PDF

SS-4C-1 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS-4C-1: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, flow_control_device: POPPET, face_to_face_distance: 2.350 INCHES IN, supplementary_features: ADDITIONAL FLOW CONTROL DEVICE: DILATING O-RING, opening_pressure_setting: 1.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-398-4392, 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
SS-4C-1
NSN: 4820-01-398-4392
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
flow_control_devicePOPPET
face_to_face_distance2.350 INCHES IN
supplementary_featuresADDITIONAL FLOW CONTROL DEVICE: DILATING O-RING
opening_pressure_setting1.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-398-4392
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-4C-1 · 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
•
FLOW CONTROL DEVICE: POPPET
•
SUPPLEMENTARY FEATURES: ADDITIONAL FLOW CONTROL DEVICE: DILATING O-RING
•
FACE TO FACE DISTANCE: 2.350 INCHES IN
•
MATERIAL: STEEL COMP 316 OVERALL
•
OPENING PRESSURE SETTING: 1.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SUPPLEMENTARY FEATURESADDITIONAL FLOW CONTROL DEVICE: DILATING O-RING
FACE TO FACE DISTANCE2.350 INCHES IN
MATERIALSTEEL COMP 316 OVERALL
OPENING PRESSURE SETTING1.0 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 1
4C-1Reference 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 SS-4C-1?
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 SS-4C-1?
SS-4C-1 is a VALVE,CHECK.
What parts can replace SS-4C-1?
There is 1 known substitute for SS-4C-1: 4C-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-4C-1?
SS-4C-1 is cataloged in the U.S. Government catalog under NSN 4820-01-398-4392. 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 — SS-4C-1

✓ 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.