PartsTable
Technical Data Sheet
MSS SP 80 ✓ 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

RECORDER-REPRODUCER SET,SIGNAL D. Key specifications include material: COPPER ALLOY 836 STEM, stem_type: RISING, valve_size: 1.250 INCHES IN, bonnet_type: PACKING RETAINING, flange_shape: ROUND WITH HOLES ALL ENDS, pressure_class: ERR-060. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-057-9056, 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
NSN: 4820-00-057-9056
FSC: 4820
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 836 STEM
stem_typeRISING
valve_size1.250 INCHES IN
bonnet_typePACKING RETAINING
flange_shapeROUND WITH HOLES ALL ENDS
pressure_classERR-060
connection_typeTHREADED INTERNAL PIPE
connection_styleSOCKET ALL ENDS
special_featuresREGRINDING SEAT
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedVALVE STEM LOCK SHIELD
NSN4820-00-057-9056
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MSS SP 80 · 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
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES IN
MATERIAL: NICKEL ALLOY STEM
STEM TYPE: NONRISING
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VALVE SIZE: 1.250 INCHES IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES IN
MATERIALNICKEL ALLOY STEM
STEM TYPENONRISING
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VALVE SIZE1.250 INCHES IN
MATERIALNICKEL ALLOY SEAT
FEATURES PROVIDEDBONNET PACKING
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
756-11-4Interchangeable
interchangeable cross-reference
interchangeable
139997Interchangeable
interchangeable cross-reference
interchangeable
S113-1-1/4 INInterchangeable
Same NIIN cross-reference
interchangeable
M15087Interchangeable
Same NIIN cross-reference
interchangeable
WWV54Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MSS SP 80?
MSS SP 80 is a RECORDER-REPRODUCER SET,SIGNAL D.
What parts can replace MSS SP 80?
There are 5 known substitutes for MSS SP 80: 756-11-4, 139997, S113-1-1/4 IN and 2 more. Substitute compatibility should be verified for your specific system.
Is MSS SP 80 still available?
MSS SP 80 is currently cancelled.
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