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12597PC102 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

12597PC102: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, thread_class: 4A SINGLE THREADED PORTION A, thread_length: 0.844 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 2.000 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 1.000 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-336-5575, 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
12597PC102
NSN: 4820-00-336-5575
FSC: 4820 — Valves, Nonpowered
CAGE: 29899 — CALGON CARBON UV TECHNOLOGIES LLC DBA HYDE MARINE (USA)
SPECIFICATIONS
materialSTEEL BODY
thread_class4A SINGLE THREADED PORTION A
thread_length0.844 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter2.000 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size1.000 INCHES SINGLE THREADED PORTION IN
under_flange_height0.875 INCHES NOMINAL IN
body_inside_diameter0.875 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch11-1/2 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.563 INCHES NOMINAL IN
NSN4820-00-336-5575
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12597PC102 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.563 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.844 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890,ALLOY NO 2 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
BODY INSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.000 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.563 INCHES NOMINAL IN
FLANGE DIAMETER2.000 INCHES NOMINAL IN
THREAD LENGTH0.844 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,ALLOY NO 2 MIL SPEC SINGLE MATERIAL RESPONSE BODY
BODY INSIDE DIAMETER0.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.000 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL IN
THREAD CLASS4A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH11-1/2 SINGLE THREADED PORTION
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 10
297683PC102Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
252675PC101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
271882PC102Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
402182PC69Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12400-101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4599000Reference document
Same NSN cross-reference
Reference document — Secondary 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 12597PC102?
12597PC102 is a SEAT,VALVE.
What parts can replace 12597PC102?
There are 10 known substitutes for 12597PC102: 297683PC102, 252675PC101, 271882PC102 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12597PC102?
12597PC102 is cataloged in the U.S. Government catalog under NSN 4820-00-336-5575. 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.