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6750-83SPCL — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6750-83SPCL: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, hole_diameter: 0.200 INCHES NOMINAL IN, outside_diameter: 2.250 INCHES NOMINAL IN, special_features: METAL INSERT IN CENTER HOLE, style_designator: FLAT, bolt_hole_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-931-7129, 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
6750-83SPCL
NSN: 4820-00-931-7129
FSC: 4820 — Valves, Nonpowered
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hole_diameter0.200 INCHES NOMINAL IN
outside_diameter2.250 INCHES NOMINAL IN
special_featuresMETAL INSERT IN CENTER HOLE
style_designatorFLAT
bolt_hole_quantity12
material_thickness0.025 INCHES NOMINAL IN
bolt_circle_diameter1.830 INCHES NOMINAL IN
center_hole_diameter0.130 INCHES NOMINAL IN
reference_number_differentiating_characteristicsSELECTED AND TESTED FOR USE ON ELECTROLYTIC OXYGEN-NITROGEN
NSN4820-00-931-7129
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6750-83SPCL · 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: 2.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 12
•
BOLT CIRCLE DIAMETER: 1.830 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.130 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
BOLT HOLE QUANTITY12
BOLT CIRCLE DIAMETER1.830 INCHES NOMINAL IN
SPECIAL FEATURESMETAL INSERT IN CENTER HOLE
CENTER HOLE DIAMETER0.130 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
HOLE DIAMETER0.200 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED AND TESTED FOR USE ON ELECTROLYTIC OXYGEN-NITROGEN
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6750-83SPCL?
6750-83SPCL is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 6750-83SPCL?
6750-83SPCL is cataloged in the U.S. Government catalog under NSN 4820-00-931-7129. 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.