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P12602142 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P12602142: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 8.658 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN, style_designator: FLAT, material_thickness: 1.000 INCHES NOMINAL IN, bolt_circle_diameter: 3.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-181-1853, 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
P12602142
NSN: 4820-01-181-1853
FSC: 4820 — Valves, Nonpowered
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.500 INCHES NOMINAL IN
outside_diameter8.658 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN
style_designatorFLAT
bolt_hole_quantity2
material_thickness1.000 INCHES NOMINAL IN
bolt_circle_diameter3.380 INCHES NOMINAL IN
NSN4820-01-181-1853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P12602142 · 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: 8.658 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 1.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
BOLT CIRCLE DIAMETER: 3.380 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER8.658 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS1.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER3.380 INCHES NOMINAL IN
MATERIALSTEEL
HOLE DIAMETER0.500 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

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 P12602142?
P12602142 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for P12602142?
P12602142 is cataloged in the U.S. Government catalog under NSN 4820-01-181-1853. 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.