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MIL-V-1189 — RETAINER,OPERATING NUT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MIL-V-1189: RETAINER,OPERATING NUT.

The RETAINER,OPERATING NUT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, stem_type: RISING, valve_size: 2.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, connection_type: FLANGE, ROUND W/HOLES, flange_diameter: 6.125 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-202-8517, 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
MIL-V-1189
NSN: 4820-00-202-8517
NIINs: 002028517, 002688750, 002779848, 002779849, 002779851, 002779852, 002779853, 002779856, 002872840, 005415695, 005415696, 005415697, 005415698, 005415700, 008096933, 008354910, 008661276, 008827380, 008891666, 008925488, 009228428, 009515147, 009641081, 010489270, 010788992, 010789915, 010935222, 011016129, 011043957, 011056684, 011186793, 011225241, 011378167, 011385562, 011456448, 011463619, 011811881, 011869370, 012093224, 012200835, 012327149, 013117569, 013838528, 014676910, 015058824, 015058839, 015058915, 015391496, 015502909, 015502949, 015788017, 015788022
FSC: 4820 — Valves, Nonpowered
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY BODY
stem_typeRISING
valve_size2.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
connection_typeFLANGE, ROUND W/HOLES
flange_diameter6.125 INCHES IN
special_featuresWEAR COATED, DRILLED WITHOUT SEALING COMPOUND; ASBESTOS FREE
bolt_hole_quantity12
flange_face_designPLAIN
face_to_face_distance6.000 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
NSN4820-00-202-8517
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MIL-V-1189 · 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
•
FLANGE FACE DESIGN: PLAIN
•
OPERATING PRESSURE AND TYPE: 400.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: NONRISING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
VALVE SIZE: 6.000 INCHES IN
•
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS
FLANGE FACE DESIGNPLAIN
OPERATING PRESSURE AND TYPE400.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPENONRISING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE DISK
VALVE SIZE6.000 INCHES IN
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEINSIDE SCREW
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATERIAL AND SIZE 6 IN. IN
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 1
N10011-100Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-V-1189?
MIL-V-1189 is a RETAINER,OPERATING NUT.
What parts can replace MIL-V-1189?
There is 1 known substitute for MIL-V-1189: N10011-100. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-V-1189?
MIL-V-1189 is cataloged in the U.S. Government catalog under NSN 4820-00-202-8517. This indicates validated use in U.S. government and defense supply chains.
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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.