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420312 — VALVE,BALL

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

420312: VALVE,BALL.

Can be mounted on rail or on plate in XL³ cabinets and enclosures MCCBs for switching, control isolation and protection of low voltage electrical lines Supplied with fixing screws, connection plates for bars and cable lugs and insulated shields (phase barriers) Can be fitted with cage terminals 120 mm² max. (flexible cable) or 150 mm² max. rigid cable and with DPX³ 160 and 250 common auxiliaries and accessories Conform to IEC 60947-2 This part is cataloged in the U.S.

Government catalog under NSN 4820-01-269-4697, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
420312
NSN: 4820-01-269-4697
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
bonnet_typePACKING RETAINING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size1.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
NSN4820-01-269-4697
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 420312 · Legrand ⚠ 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: PACKING RETAINING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 1.250 INCHES ALL ENDS IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEPACKING RETAINING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MATERIALSTEEL CORROSION RESISTING BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
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
501-0317 ASSY AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 420312?
420312 is a VALVE,BALL manufactured by Legrand.
What parts can replace 420312?
There is 1 known substitute for 420312: 501-0317 ASSY A. Substitute compatibility should be verified for your specific system.
What is the NSN for 420312?
420312 is cataloged in the U.S. Government catalog under NSN 4820-01-269-4697. 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.