PartsTable
Technical Data Sheet
Download PDF

27328503 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

27328503: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: 600.0 FAHRENHEIT NOMINAL DEGF, hole_diameter: 0.140 INCHES NOMINAL IN, outside_diameter: 1.812 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.030 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-220-4194, 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
27328503
NSN: 4810-01-220-4194
FSC: 4810 — Valves, Powered
CAGE: 01170 — BELLOFRAM CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating600.0 FAHRENHEIT NOMINAL DEGF
hole_diameter0.140 INCHES NOMINAL IN
outside_diameter1.812 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity6
material_thickness0.030 INCHES NOMINAL IN
bolt_circle_diameter1.500 INCHES NOMINAL IN
center_hole_diameter0.190 INCHES NOMINAL IN
outside_corner_radius0.190 INCHES NOMINAL IN
end_item_identificationAIRCRAFT TYPE B-1B
media_for_which_designedAIR
NSN4810-01-220-4194
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 27328503 · 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
•
TEMP RATING: 600.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, TYPE T, CLASS TA, GRADE 805 FED STD SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 1.500 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING600.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, TYPE T, CLASS TA, GRADE 805 FED STD SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER1.500 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.190 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDAIR
END ITEM IDENTIFICATIONAIRCRAFT TYPE B-1B
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
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
Ready to buy 27328503?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 27328503?
27328503 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 27328503?
27328503 is cataloged in the U.S. Government catalog under NSN 4810-01-220-4194. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 27328503

✓ 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.