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261928 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

261928: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, surface_treatment: PASSIVATE, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.548 INCHES NOMINAL IN, surface_treatment_document_and_classification: FED-QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-092-1819, 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
261928
NSN: 4820-01-092-1819
FSC: 4820 — Valves, Nonpowered
CAGE: 61649 — KIDDE INC WALTER KIDDE DIV PORTABLE CYLINDER OPNS (USA)
SPECIFICATIONS
materialSTEEL COMP 316
surface_treatmentPASSIVATE
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.548 INCHES NOMINAL IN
surface_treatment_document_and_classificationFED-QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE
NSN4820-01-092-1819
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 261928 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: FED-QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE
•
LARGEST OUTSIDE DIAMETER: 0.548 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 316
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFED-QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE
LARGEST OUTSIDE DIAMETER0.548 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 316
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
H1F-261928Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 261928?
261928 is a STEM,FLUID VALVE.
What parts can replace 261928?
There is 1 known substitute for 261928: H1F-261928. Substitute compatibility should be verified for your specific system.
What is the NSN for 261928?
261928 is cataloged in the U.S. Government catalog under NSN 4820-01-092-1819. 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.