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78304 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-295-7111, 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
78304
NSN: 4820-00-295-7111
FSC: 4820
CAGE: 87708 — COOPER INDUSTRIES INC FLOW CONTROL DIV (USA)
SPECIFICATIONS
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
NSN4820-00-295-7111
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 78304 · 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: 1.990 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
•
STYLE DESIGNATOR: PLAIN
•
SEAT ANGLE IN DEG: 44.000 NOMINAL
•
BODY INSIDE DIAMETER: 1.638 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.990 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.341 INCHES NOMINAL IN
SEAT ANGLE IN DEG44.000 NOMINAL
BODY INSIDE DIAMETER1.638 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MIL-T-11799Interchangeable
interchangeable cross-reference
interchangeable
13207E9707Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-52296Interchangeable
interchangeable cross-reference
interchangeable
D7830-4Interchangeable
interchangeable cross-reference
interchangeable
7830-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78304?
78304 is a SEAT,VALVE.
What parts can replace 78304?
There are 5 known substitutes for 78304: MIL-T-11799, 13207E9707, MIL-T-52296 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78304?
78304 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-295-7111. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026