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1R3642-83 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1R3642-83: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC PACKING, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, special_features: 2.850 IN. LG OVER-ALL,0.875 IN.

ACROSS FLATS IN. This part is cataloged in the U.S. Government catalog under NSN 4820-00-874-7325, 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
1R3642-83
NSN: 4820-00-874-7325
FSC: 4820 — Valves, Nonpowered
CAGE: 26044 — SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC PACKING
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_features2.850 IN. LG OVER-ALL,0.875 IN. ACROSS FLATS IN
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
aperture_diameter0.029 INCHES NOMINAL IN
mounting_positionHORIZONTAL
surface_treatmentANODIZE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-00-874-7325
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1R3642-83 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
CONNECTION STYLEFLARED (TUBE) FIRST END
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
APERTURE DIAMETER0.029 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND FIRST END
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
32-69004-83Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1R3642-83?
1R3642-83 is a VALVE,RESTRICTOR CHECK.
What parts can replace 1R3642-83?
There is 1 known substitute for 1R3642-83: 32-69004-83. Substitute compatibility should be verified for your specific system.
What is the NSN for 1R3642-83?
1R3642-83 is cataloged in the U.S. Government catalog under NSN 4820-00-874-7325. This indicates validated use in U.S. government and defense supply chains.
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