A7103-1L1 — VALVE,STOP-CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

A7103-1L1: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 FLOW CONTROL DEVICE, bonnet_type: OUTSIDE SCREW-YOKE, connection_style: SOCKET (PIPE) FIRST END, style_designator: STRAIGHT THRU, features_provided: VALVE STEM LOCK SHIELD AND BONNET PACKING, operating_pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-121-6872, 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

A7103-1L1

NSN: 4820-00-121-6872
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)

SPECIFICATIONS

material	STEEL COMP 410 FLOW CONTROL DEVICE
bonnet_type	OUTSIDE SCREW-YOKE
connection_style	SOCKET (PIPE) FIRST END
style_designator	STRAIGHT THRU
features_provided	VALVE STEM LOCK SHIELD AND BONNET PACKING
operating_pressure	1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	DISK
maximum_operating_temp	775.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	MANUAL
bonnet_attachment_method	BOLTED
media_for_which_designed	STEAM SINGLE RESPONSE
renewable_seat_ring_type	THREADED
NSN	4820-00-121-6872

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

RENEWABLE SEAT RING TYPE: THREADED

•

NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES FIRST END IN

•

CONNECTION STYLE: SOCKET (PIPE) FIRST END

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

FEATURES PROVIDED: VALVE STEM LOCK SHIELD AND BONNET PACKING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
RENEWABLE SEAT RING TYPE	THREADED
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES FIRST END IN
CONNECTION STYLE	SOCKET (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATION	ZZZY
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDED	VALVE STEM LOCK SHIELD AND BONNET PACKING
BONNET TYPE	OUTSIDE SCREW-YOKE
MAXIMUM OPERATING TEMP	775.0 FAHRENHEIT SINGLE RESPONSE DEGF

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 7

MIL-V-22094L1Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-V-22094Reference document

Same NSN cross-reference

Reference document — Identification reference

B31644CL1Reference document

Same NSN cross-reference

Reference document — Secondary reference

W05-3084B-02TSL1Reference document

Same NSN cross-reference

Reference document — Secondary reference

33311-30 W05-3084B-02TSReference document

Same NSN cross-reference

Reference document — Secondary reference

B31644CReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is A7103-1L1?

A7103-1L1 is a VALVE,STOP-CHECK.

What parts can replace A7103-1L1?

There are 7 known substitutes for A7103-1L1: MIL-V-22094L1, MIL-V-22094, B31644CL1 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for A7103-1L1?

A7103-1L1 is cataloged in the U.S. Government catalog under NSN 4820-00-121-6872. This indicates validated use in U.S. government and defense supply chains.

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