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M11717PC6 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M11717PC6: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.255 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 4820-00-402-2430, 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
M11717PC6
NSN: 4820-00-402-2430
FSC: 4820 — Valves, Nonpowered
CAGE: K2980 — SHIPHAM VALVES LIMITED (GBR)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.255 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size1.000 INCHES SINGLE THREADED PORTION IN
under_flange_height0.250 INCHES NOMINAL IN
body_inside_diameter0.750 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_series_designatorUNEF SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.150 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
material_document_and_classificationASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-402-2430
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M11717PC6 · 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: 0.150 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 1.255 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.000 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.150 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
FLANGE DIAMETER1.255 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.750 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.000 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
THREAD CLASS3A SINGLE THREADED PORTION A
MATERIALNICKEL ALLOY OVERALL
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 7
M11717ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M11684 ITEM 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M11698ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M11687ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M11704ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M11292ITEM6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M11717PC6?
M11717PC6 is a SEAT,VALVE.
What parts can replace M11717PC6?
There are 7 known substitutes for M11717PC6: M11717ITEM6, M11684 ITEM 6, M11698ITEM6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M11717PC6?
M11717PC6 is cataloged in the U.S. Government catalog under NSN 4820-00-402-2430. 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.