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B2630 — TRANSFORMER,POWER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B2630: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_width: 3.375 INCHES NOMINAL IN, body_height: 5.562 INCHES NOMINAL IN, body_length: 7.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 1.687 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-146-0493, 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
B2630
NSN: 4820-00-146-0493
NIINs: 001460493, 003482797
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_width3.375 INCHES NOMINAL IN
body_height5.562 INCHES NOMINAL IN
body_length7.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height1.687 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter1.125 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.250 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current12.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN4820-00-146-0493
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B2630 · 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
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.687 INCHES NOMINAL IN
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 4
041-102-0037Reference document
Same NSN cross-reference
Reference document — Secondary reference
18-5-149Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
041-500-0013Reference document
Same NSN cross-reference
Reference document — Secondary reference
18-5-1-149PC18Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B2630?
B2630 is a TRANSFORMER,POWER.
What parts can replace B2630?
There are 4 known substitutes for B2630: 041-102-0037, 18-5-149, 041-500-0013 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2630?
B2630 is cataloged in the U.S. Government catalog under NSN 4820-00-146-0493. 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.