4R113-37 — VALVE,RESTRICTOR CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

4R113-37: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 SEAT, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-461-1738, 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

4R113-37

NSN: 4820-00-461-1738
FSC: 4820 — Valves, Nonpowered
CAGE: 82829 — ALLEN AIRCRAFT PRODUCTS INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 SEAT
seat_angle	12.0 DEGREES FIRST END
thread_class	3A FIRST END A
connection_type	THREADED EXTERNAL TUBE FIRST END
connection_style	FLARELESS FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND FIRST END
aperture_diameter	0.040 INCHES NOMINAL IN
mounting_position	HORIZONTAL OR VERTICAL
surface_treatment	ANODIZE
disk_loading_method	SPRING
flow_control_device	POPPET
NSN	4820-00-461-1738

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE

•

CONNECTION STYLE: FLARELESS FIRST END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

•

APERTURE DIAMETER: 0.040 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
CONNECTION STYLE	FLARELESS FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
APERTURE DIAMETER	0.040 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND FIRST END
NOMINAL THREAD SIZE	0.437 INCHES FIRST END IN

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

215-32320-37Same 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)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 4R113-37?

4R113-37 is a VALVE,RESTRICTOR CHECK.

What parts can replace 4R113-37?

There is 1 known substitute for 4R113-37: 215-32320-37. Substitute compatibility should be verified for your specific system.

What is the NSN for 4R113-37?

4R113-37 is cataloged in the U.S. Government catalog under NSN 4820-00-461-1738. This indicates validated use in U.S. government and defense supply chains.

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