PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 456910-512 ITEM 2
456910-512 ITEM 2 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, housing_bore_diameter: 4.249 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-501-6448, 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
456910-512 ITEM 2
NSN: 4820-01-501-6448
FSC: 4820
CAGE: 08712 — PRINCE ALEXANDER PARTNERS INC DIV ARCHITECTURE ENGIEERING AND ECONOMIC DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
housing_bore_diameter4.249 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.125 INCHES NOMINAL IN
NSN4820-01-501-6448
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 456910-512 ITEM 2 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
266675R91Interchangeable
interchangeable cross-reference
interchangeable
273986R91Interchangeable
interchangeable cross-reference
interchangeable
456910-512Interchangeable
interchangeable cross-reference
interchangeable
455016Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 456910-512 ITEM 2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 456910-512 ITEM 2?
456910-512 ITEM 2 is a SEAT,VALVE.
What parts can replace 456910-512 ITEM 2?
There are 4 known substitutes for 456910-512 ITEM 2: 266675R91, 273986R91, 456910-512 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 456910-512 ITEM 2?
456910-512 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-501-6448. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 456910-512 ITEM 2

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026