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MSS SP-80-1A-1/2 — Technical Data Sheet

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— · 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 VALVE,GATE is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, width: 12.000 INCHES NOMINAL IN, length: 150.000 FEET NOMINAL FT, material: PLASTIC OVERALL, base_color: WHITE, body_style: SIDE BARRIER TYPE. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-554-8713, 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-80-1A-1/2
NSN: 4820-00-554-8713
FSC: 4820
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
shapeSTRAIGHT
width12.000 INCHES NOMINAL IN
length150.000 FEET NOMINAL FT
materialPLASTIC OVERALL
base_colorWHITE
body_styleSIDE BARRIER TYPE
usage_formROLL
temp_rating300.0 FAHRENHEIT MAXIMUM DEGF
emulsion_typeBLACK AND WHITE
nominal_width0.500 INCHES IN
overall_width0.625 INCHES NOMINAL IN
base_thickness0.359 INCHES NOMINAL IN
NSN4820-00-554-8713
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MSS SP-80-1A-1/2 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
42412InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS954InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS954 TY1CL1STBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FDS121InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-113 TY1CLBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P45InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MSS SP-80-1A-1/2?
MSS SP-80-1A-1/2 is a VALVE,GATE.
What parts can replace MSS SP-80-1A-1/2?
There are 19 known substitutes for MSS SP-80-1A-1/2: 42412, AS954, AS954 TY1CL1STB and 16 more. Substitute compatibility should be verified for your specific system.
Is MSS SP-80-1A-1/2 still available?
MSS SP-80-1A-1/2 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: September 2026