PartsTable
Technical Data Sheet
PartsTable / COMPONENT / N12856
N12856 ✓ 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,SPRING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 NUT, nut_style: HEXAGON, body_width: 4.440 INCHES MINIMUM AND 4.460 INCHES MAXIMUM IN, nut_height: 0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, body_height: 5.365 INCHES MINIMUM AND 5.385 INCHES MAXIMUM IN, body_length: 9.110 INCHES MINIMUM AND 9.130 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1556, 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
N12856
NSN: 4820-00-036-1556
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 NUT
nut_styleHEXAGON
body_width4.440 INCHES MINIMUM AND 4.460 INCHES MAXIMUM IN
nut_height0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
body_height5.365 INCHES MINIMUM AND 5.385 INCHES MAXIMUM IN
body_length9.110 INCHES MINIMUM AND 9.130 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
neck_closurePROVIDED
thread_class3B
thread_length0.375 INCHES MINIMUM NUT THREAD IN
thread_seriesUNF
inclosure_typeFULLY INCLOSED
NSN4820-00-036-1556
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N12856 · 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 11
12856Interchangeable
interchangeable cross-reference
interchangeable
163070Interchangeable
interchangeable cross-reference
interchangeable
808138Interchangeable
interchangeable cross-reference
interchangeable
04718Interchangeable
interchangeable cross-reference
interchangeable
ES5621-1Interchangeable
interchangeable cross-reference
interchangeable
610624Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy N12856?
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 N12856?
N12856 is a SEAT,SPRING.
What parts can replace N12856?
There are 11 known substitutes for N12856: 12856, 163070, 808138 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N12856?
N12856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1556. 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 — N12856

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