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912-A-611 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

912-A-611: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 1.500 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL, under_flange_height: 1.188 INCHES NOMINAL IN, body_inside_diameter: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-564-6804, 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
912-A-611
NSN: 4820-00-564-6804
FSC: 4820 — Valves, Nonpowered
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter1.500 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
under_flange_height1.188 INCHES NOMINAL IN
body_inside_diameter0.188 INCHES NOMINAL IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.125 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-564-6804
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 912-A-611 · 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 SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 1.188 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL IN
FLANGE DIAMETER1.500 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.188 INCHES NOMINAL IN
UNDER FLANGE HEIGHT1.188 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 3
A-611Reference document
Same NSN cross-reference
Reference document — Secondary reference
912Reference document
Same NSN cross-reference
Reference document — Secondary reference
717128Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 912-A-611?
912-A-611 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 912-A-611?
There are 3 known substitutes for 912-A-611: A-611, 912, 717128. Substitute compatibility should be verified for your specific system.
What is the NSN for 912-A-611?
912-A-611 is cataloged in the U.S. Government catalog under NSN 4820-00-564-6804. 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.