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PartsTable / COMPONENT / S-345
S-345 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESTRICTOR is a the manufacturer industrial component. Key specifications include end_item_identification: STEAMERETTE NSN 4940002789626, general_characteristics_item_description: GUN 1/4 INCH ORIFICE,MODEL NO. D-1 IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-572-3990, 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
S-345
NSN: 5360-00-572-3990
FSC: 5360
CAGE: 11964 — PERFECT PARTS INC (USA)
SPECIFICATIONS
end_item_identificationSTEAMERETTE NSN 4940002789626
general_characteristics_item_descriptionGUN 1/4 INCH ORIFICE,MODEL NO. D-1 IN
NSN5360-00-572-3990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESTRICTOR TITLE COMPONENT PN S-345 MFR RESTRICTOR
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
SPRING FREE LENGTH: 4.875 INCHES NOMINAL IN
•
DESIGN TYPE: CLOSED
•
COIL HELIX DIRECTION: RIGHT-HAND
•
STYLE DESIGNATOR: CYLINDRICAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SPRING FREE LENGTH4.875 INCHES NOMINAL IN
DESIGN TYPECLOSED
COIL HELIX DIRECTIONRIGHT-HAND
STYLE DESIGNATORCYLINDRICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
515361-1Interchangeable
interchangeable cross-reference
interchangeable
H-131Interchangeable
interchangeable cross-reference
interchangeable
2812301-1Interchangeable
interchangeable cross-reference
interchangeable
B107.400Interchangeable
interchangeable cross-reference
interchangeable
13141Interchangeable
interchangeable cross-reference
interchangeable
B107.54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-345?
S-345 is a RESTRICTOR.
What parts can replace S-345?
There are 23 known substitutes for S-345: 515361-1, H-131, 2812301-1 and 20 more. Substitute compatibility should be verified for your specific system.
Is S-345 still available?
S-345 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026