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33980-1 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

33980-1: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include shank_style: STRAIGHT, shank_length: 0.062 INCHES NOMINAL IN, overall_depth: 0.527 INCHES NOMINAL IN, shank_diameter: 0.453 INCHES NOMINAL IN, inside_diameter: 0.127 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-004-3959, 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
33980-1
NSN: 5355-00-004-3959
NIINs: 000043959, 012681993
FSC: 5355 — Knobs and Pointers
CAGE: 12338 — RIIMIC, LLC DBA SUNAIR ELECTRONICS (USA)
SPECIFICATIONS
shank_styleSTRAIGHT
shank_length0.062 INCHES NOMINAL IN
overall_depth0.527 INCHES NOMINAL IN
shank_diameter0.453 INCHES NOMINAL IN
inside_diameter0.127 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
style_designatorROUND WITH CROWN
attachment_methodSETSCREWS
overall_thickness0.687 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES SCREW HOLE IN
setscrew_hole_quantity1
NSN5355-00-004-3959
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,REGULATING,FLUID PRESSURE TITLE COMPONENT PN 33980-1 MFR VALVE,REGULATING,FLUID
KEY FEATURES
•
SHANK DIAMETER: 0.453 INCHES NOMINAL IN
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.315 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.687 INCHES NOMINAL IN
•
SHANK LENGTH: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND WITH CROWN
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
SETSCREW HOLE QUANTITY: 1
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.453 INCHES NOMINAL IN
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.315 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.687 INCHES NOMINAL IN
SHANK LENGTH0.062 INCHES NOMINAL IN
STYLE DESIGNATORROUND WITH CROWN
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
SETSCREW HOLE QUANTITY1
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.127 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
033980001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SSN50L1BLKReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 33980-1?
33980-1 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 33980-1?
There are 2 known substitutes for 33980-1: 033980001, SSN50L1BLK. Substitute compatibility should be verified for your specific system.
What is the NSN for 33980-1?
33980-1 is cataloged in the U.S. Government catalog under NSN 5355-00-004-3959. 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.