S1620C — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

S1620C: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_shape: OVAL WITH HOLES ALL ENDS, nominal_length: 11.000 INCHES ALL ENDS IN, connection_type: FLANGE ALL ENDS, nominal_thickness: 1.000 INCHES ALL ENDS IN, bolt_hole_quantity: 2 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-523-3206, 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

S1620C

NSN: 4820-01-523-3206
FSC: 4820 — Valves, Nonpowered
CAGE: 5H108 — WESTERN METHODS MACHINERY CORPORATION DBA WESTERN METHODS (USA)

SPECIFICATIONS

material	STEEL BODY
flange_shape	OVAL WITH HOLES ALL ENDS
nominal_length	11.000 INCHES ALL ENDS IN
connection_type	FLANGE ALL ENDS
special_features	SHELLTEST: 475 PSI 1 MIN. BACKSEAT TEST; 300 PSI FOR 1 MIN. ALLOWABLE LEAKAGE SHALL BE 3 CC PER MINUTE PER INCH OF NOMINAL PIPE SIZE.
nominal_thickness	1.000 INCHES ALL ENDS IN
bolt_hole_quantity	2 ALL ENDS
operating_pressure	275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	DISK
minimum_operating_temp	100.0 FAHRENHEIT DEGF
end_item_identification	RFG
bolt_hole_nominal_diameter	0.875 INCHES ALL ENDS IN
NSN	4820-01-523-3206

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FLANGE SHAPE: OVAL WITH HOLES ALL ENDS

•

NOMINAL LENGTH: 11.000 INCHES ALL ENDS IN

•

MINIMUM OPERATING TEMP: 100.0 FAHRENHEIT DEGF

•

CONNECTION TYPE: FLANGE ALL ENDS

•

BOLT HOLE NOMINAL DIAMETER: 0.875 INCHES ALL ENDS IN

•

OPERATING PRESSURE: 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

BOLT HOLE QUANTITY: 2 ALL ENDS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FLANGE SHAPE	OVAL WITH HOLES ALL ENDS
NOMINAL LENGTH	11.000 INCHES ALL ENDS IN
MINIMUM OPERATING TEMP	100.0 FAHRENHEIT DEGF
CONNECTION TYPE	FLANGE ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.875 INCHES ALL ENDS IN
OPERATING PRESSURE	275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BOLT HOLE QUANTITY	2 ALL ENDS
SPECIAL FEATURES	SHELLTEST: 475 PSI 1 MIN. BACKSEAT TEST; 300 PSI FOR 1 MIN. ALLOWABLE LEAKAGE SHALL BE 3 CC PER MINUTE PER INCH OF NOMINAL PIPE SIZE.
END ITEM IDENTIFICATION	RFG

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

5021-2 ASSY S1620CSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 S1620C?

S1620C is a VALVE,CHECK.

What parts can replace S1620C?

There is 1 known substitute for S1620C: 5021-2 ASSY S1620C. Substitute compatibility should be verified for your specific system.

What is the NSN for S1620C?

S1620C is cataloged in the U.S. Government catalog under NSN 4820-01-523-3206. This indicates validated use in U.S. government and defense supply chains.

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