139B217 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

139B217: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS ALL ENDS, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-161-5092, 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

139B217

NSN: 4820-01-161-5092
FSC: 4820 — Valves, Nonpowered
CAGE: 81381 — STEWART & STEVENSON POWER PRODUCTS LLC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
seat_angle	12.0 DEGREES ALL ENDS
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	FLARELESS ALL ENDS
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.750 INCHES ALL ENDS IN
NSN	4820-01-161-5092

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

FURNISHED ITEMS AND QUANTITY: 2 NUT AND 4 FERRULE

•

CONNECTION STYLE: FLARELESS ALL ENDS

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
FURNISHED ITEMS AND QUANTITY	2 NUT AND 4 FERRULE
CONNECTION STYLE	FLARELESS ALL ENDS
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.750 INCHES ALL ENDS IN
SEAT ANGLE	12.0 DEGREES ALL ENDS

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 2

139B217 ITEM 1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SS-8C-10Reference 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

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FREQUENTLY ASKED QUESTIONS

What is 139B217?

139B217 is a VALVE,CHECK.

What parts can replace 139B217?

There are 2 known substitutes for 139B217: 139B217 ITEM 1, SS-8C-10. Substitute compatibility should be verified for your specific system.

What is the NSN for 139B217?

139B217 is cataloged in the U.S. Government catalog under NSN 4820-01-161-5092. This indicates validated use in U.S. government and defense supply chains.

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139B217 — VALVE,CHECK

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