PartsTable
Technical Data Sheet
Download PDF

CBU1327 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

CBU1327: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include overall_height: 6.7 MILLIMETERS NOMINAL MM, style_designator: PLAIN, body_outside_diameter: 43.7 MILLIMETERS NOMINAL MM, seating_surface_shape: FLAT, body_stepped_inside_diameter: 39.5 MILLIMETERS NOMINAL SECOND STEP MM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-264-3170, 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
CBU1327
NSN: 4820-01-264-3170
FSC: 4820 — Valves, Nonpowered
CAGE: U5612 — LEYLAND TRUCKS LTD (FOR SPARE PARTS SEE U6425) (GBR)
SPECIFICATIONS
overall_height6.7 MILLIMETERS NOMINAL MM
style_designatorPLAIN
body_outside_diameter43.7 MILLIMETERS NOMINAL MM
seating_surface_shapeFLAT
body_stepped_inside_diameter39.5 MILLIMETERS NOMINAL SECOND STEP MM
NSN4820-01-264-3170
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CBU1327 · 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
•
BODY OUTSIDE DIAMETER: 43.7 MILLIMETERS NOMINAL MM
•
BODY STEPPED INSIDE DIAMETER: 36.0 MILLIMETERS NOMINAL FIRST STEP MM
•
STYLE DESIGNATOR: PLAIN
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT6.7 MILLIMETERS NOMINAL MM
BODY OUTSIDE DIAMETER43.7 MILLIMETERS NOMINAL MM
BODY STEPPED INSIDE DIAMETER36.0 MILLIMETERS NOMINAL FIRST STEP MM
BODY STEPPED INSIDE DIAMETER39.5 MILLIMETERS NOMINAL SECOND STEP MM
STYLE DESIGNATORPLAIN
SEATING SURFACE SHAPEFLAT
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 3
J90410-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4820PL0826221Reference document
Same NSN cross-reference
Reference document — Informative reference only
3904105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy CBU1327?
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 CBU1327?
CBU1327 is a SEAT,VALVE.
What parts can replace CBU1327?
There are 3 known substitutes for CBU1327: J90410-5, 4820PL0826221, 3904105. Substitute compatibility should be verified for your specific system.
What is the NSN for CBU1327?
CBU1327 is cataloged in the U.S. Government catalog under NSN 4820-01-264-3170. 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 — CBU1327

✓ 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.