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3168940-1 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3168940-1: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER, bead_diameter: 1.250 INCHES NOMINAL IN, hole_diameter: 0.195 INCHES NOMINAL IN, overall_height: 0.180 INCHES NOMINAL IN, outside_diameter: 1.688 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-129-7564, 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
3168940-1
NSN: 4820-01-129-7564
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialRUBBER
bead_diameter1.250 INCHES NOMINAL IN
hole_diameter0.195 INCHES NOMINAL IN
overall_height0.180 INCHES NOMINAL IN
outside_diameter1.688 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
bolt_hole_quantity4
material_thickness0.018 INCHES NOMINAL IN
bolt_circle_diameter1.750 INCHES NOMINAL IN
outside_corner_radius0.218 INCHES NOMINAL IN
NSN4820-01-129-7564
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3168940-1 · 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
•
BEAD DIAMETER: 1.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL THICKNESS: 0.018 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 1.750 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.218 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.180 INCHES NOMINAL IN
BEAD DIAMETER1.250 INCHES NOMINAL IN
OUTSIDE DIAMETER1.688 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
MATERIAL THICKNESS0.018 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER1.750 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.218 INCHES NOMINAL IN
MATERIALRUBBER
HOLE DIAMETER0.195 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3168940-1?
3168940-1 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What is the NSN for 3168940-1?
3168940-1 is cataloged in the U.S. Government catalog under NSN 4820-01-129-7564. 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.