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803-1385721-62 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-1385721-62: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 BODY, valve_size: 1.250 INCHES IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, special_features: RUBBER GASKET MATERIAL: EPR, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-555-8561, 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
803-1385721-62
NSN: 4820-01-555-8561
NIINs: 015558561, 015802002
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 BODY
valve_size1.250 INCHES IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
special_featuresRUBBER GASKET MATERIAL: EPR
style_designatorSTRAIGHT THRU
face_to_face_distance2.000 INCHES IN
valve_operation_methodAUTOMATIC
criticality_code_justificationZZZY
nominal_pipe_size_accommodated1.250 INCHES ALL ENDS IN
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
part_name_assigned_by_controlling_agencyVLV,1 1/4 IN,SWNG 21B IN
NSN4820-01-555-8561
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-1385721-62 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
VALVE SIZE: 1.250 INCHES IN
•
FACE TO FACE DISTANCE: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS IN
CONNECTION STYLESOCKET (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
VALVE SIZE1.250 INCHES IN
SPECIAL FEATURESRUBBER GASKET MATERIAL: EPR
FACE TO FACE DISTANCE2.000 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVLV,1 1/4 IN,SWNG 21B IN
MATERIALCOPPER ALLOY 922 BODY
SUBSTITUTES & CROSS-REFERENCES 1
803-1385721Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-1385721-62?
803-1385721-62 is a VALVE,CHECK.
What parts can replace 803-1385721-62?
There is 1 known substitute for 803-1385721-62: 803-1385721. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-1385721-62?
803-1385721-62 is cataloged in the U.S. Government catalog under NSN 4820-01-555-8561. This indicates validated use in U.S. government and defense supply chains.
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