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11611930 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11611930: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include thread_direction: RIGHT-HAND FIRST END, nominal_thread_size: 0.120 INCHES FIRST END IN, special_test_features: TESTED AND MARKED TO CONFORM TO NFPA REQUIREMENTS, thread_series_designator: NPT FIRST END, criticality_code_justification: SPCL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-168-2182, 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
11611930
NSN: 4820-00-168-2182
FSC: 4820 — Valves, Nonpowered
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
thread_directionRIGHT-HAND FIRST END
nominal_thread_size0.120 INCHES FIRST END IN
special_test_featuresTESTED AND MARKED TO CONFORM TO NFPA REQUIREMENTS
thread_series_designatorNPT FIRST END
criticality_code_justificationSPCL
NSN4820-00-168-2182
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11611930 · 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
•
SPECIAL TEST FEATURES: TESTED AND MARKED TO CONFORM TO NFPA REQUIREMENTS
•
CRITICALITY CODE JUSTIFICATION: SPCL
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.120 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: NPT FIRST END
TECHNICAL CHARACTERISTICS
SPECIAL TEST FEATURESTESTED AND MARKED TO CONFORM TO NFPA REQUIREMENTS
CRITICALITY CODE JUSTIFICATIONSPCL
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.120 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPT FIRST END
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 11611930?
11611930 is a VALVE,SAFETY RELIEF.
What is the NSN for 11611930?
11611930 is cataloged in the U.S. Government catalog under NSN 4820-00-168-2182. 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.