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Technical Data Sheet
PartsTable / COMPONENT / MSS SP-80 TYP3,CL 300,SZ 1/4IN
MSS SP-80 TYP3,CL 300,SZ 1/4IN ✓ 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 MSS SP-80 TYP3,CL 300,SZ 1/4IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-541-0363, 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
MSS SP-80 TYP3,CL 300,SZ 1/4IN
NSN: 4820-00-541-0363
FSC: 4820
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
Part NumberMSS SP-80 TYP3,CL 300,SZ 1/4IN
NSN4820-00-541-0363
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MSS SP-80 TYP3,CL 300,SZ 1/4IN · 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
•
BONNET ATTACHMENT METHOD: UNION
•
VALVE OPERATION METHOD: MANUAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: NICKEL ALLOY 400 AND STEEL FLOW CONTROL DEVICE
•
MATERIAL DOCUMENT AND CLASSIFICATION: B164-61 ASSN STD 1ST MATERIAL RESPONSE AND A276 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS (FLIS)
BONNET ATTACHMENT METHODUNION
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
MATERIALNICKEL ALLOY 400 AND STEEL FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONB164-61 ASSN STD 1ST MATERIAL RESPONSE AND A276 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FEATURES PROVIDEDBONNET PACKING
MATERIALSTEEL SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MIL-V-1187Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-80Interchangeable
interchangeable cross-reference
interchangeable
803Interchangeable
interchangeable cross-reference
interchangeable
214CInterchangeable
interchangeable cross-reference
interchangeable
MIL-V-1187B TYIInterchangeable
interchangeable cross-reference
interchangeable
4592Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MSS SP-80 TYP3,CL 300,SZ 1/4IN?
MSS SP-80 TYP3,CL 300,SZ 1/4IN is a MSS SP-80 TYP3,CL 300,SZ 1/4IN.
What parts can replace MSS SP-80 TYP3,CL 300,SZ 1/4IN?
There are 11 known substitutes for MSS SP-80 TYP3,CL 300,SZ 1/4IN: MIL-V-1187, MSS SP-80, 803 and 8 more. Substitute compatibility should be verified for your specific system.
Is MSS SP-80 TYP3,CL 300,SZ 1/4IN still available?
MSS SP-80 TYP3,CL 300,SZ 1/4IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026