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2557 25MM-1IN — VALVE,GLOBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2557 25MM-1IN: VALVE,GLOBE.

The VALVE,GLOBE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, bonnet_type: INSIDE SCREW, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU, flange_face_design: PLAIN ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-312-1818, 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
2557 25MM-1IN
NSN: 4820-01-312-1818
FSC: 4820 — Valves, Nonpowered
CAGE: 08PB1 — YOUNG & CUNNINGHAM AMERICA, INC. (USA)
SPECIFICATIONS
materialSTEEL BODY
bonnet_typeINSIDE SCREW
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU
flange_face_designPLAIN ALL ENDS
flow_control_deviceDISK
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
furnished_items_and_quantity1 HANDWHEEL AND 1 WASHER
NSN4820-01-312-1818
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2557 25MM-1IN · 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: DISK
•
FLANGE SHAPE: ROUND ALL ENDS
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL AND 1 WASHER
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: INSIDE SCREW
•
BONNET ATTACHMENT METHOD: BOLTED
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL AND 1 WASHER
FLANGE FACE DESIGNPLAIN ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
MATERIALSTEEL BODY
VALVE OPERATION METHODMANUAL
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
2557 25MMReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 2557 25MM-1IN?
2557 25MM-1IN is a VALVE,GLOBE.
What parts can replace 2557 25MM-1IN?
There is 1 known substitute for 2557 25MM-1IN: 2557 25MM. Substitute compatibility should be verified for your specific system.
What is the NSN for 2557 25MM-1IN?
2557 25MM-1IN is cataloged in the U.S. Government catalog under NSN 4820-01-312-1818. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.