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961101MFA — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

961101MFA: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include nominal_length: 11.875 INCHES ALL ENDS IN, special_features: SET PRESSURE MINIMUM 5 POUNDS PER SQUARE INCH, MAXIMUM 1500 POUNDS PER SQUARE INCH LBS, maximum_operating_temp: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF, supplementary_features: MAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS, part_name_assigned_by_controlling_agency: DIRECT SPRING PRESSURE RELIEF VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-718-3580, 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
961101MFA
NSN: 4820-01-718-3580
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
nominal_length11.875 INCHES ALL ENDS IN
special_featuresSET PRESSURE MINIMUM 5 POUNDS PER SQUARE INCH, MAXIMUM 1500 POUNDS PER SQUARE INCH LBS
maximum_operating_temp750.0 FAHRENHEIT SINGLE RESPONSE DEGF
supplementary_featuresMAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencyDIRECT SPRING PRESSURE RELIEF VALVE
NSN4820-01-718-3580
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 961101MFA · 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
•
NOMINAL LENGTH: 11.875 INCHES ALL ENDS IN
•
SUPPLEMENTARY FEATURES: MAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS
•
MAXIMUM OPERATING TEMP: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH11.875 INCHES ALL ENDS IN
SUPPLEMENTARY FEATURESMAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP750.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESSET PRESSURE MINIMUM 5 POUNDS PER SQUARE INCH, MAXIMUM 1500 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYDIRECT SPRING PRESSURE RELIEF VALVE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 961101MFA?
961101MFA is a VALVE,SAFETY RELIEF.
What is the NSN for 961101MFA?
961101MFA is cataloged in the U.S. Government catalog under NSN 4820-01-718-3580. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.