PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G239PC137AOrifice Plate

Bethlehem Corporation · NSN 4410-00-377-9959 · FSC 4410 · No Item Name Available
Verified by PartsTable
NSN 4410-00-377-9959 — this item is cataloged by the U.S. Government under National Stock Number 4410-00-377-9959. Primary manufacturer part number: G239PC137A.
Features
  • Orifice Plate — FSC 4410
  • 3 verified cross-references
  • Primary manufacturer: Bethlehem Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Orifice Plate, cataloged under National Stock Number 4410-00-377-9959, is classified within Federal Supply Class 4410 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Bethlehem Corporation. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameOrifice Plate
FSC / FSG4410 — No Item Name Available (FSG 44)
ManufacturersBethlehem Corporation (CAGE 07106)
Technical Specifications
ParameterValue
NSN4410-00-377-9959
Primary Part NumberG239PC137A
Item NameOrifice Plate
FSC / FSG4410 / 44 — No Item Name Available
ManufacturerBethlehem Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-001-3178137A INTERCHANGEABLE
Switch,thermostatic
Duke Mfg Co
5355-00-359-0405137A INTERCHANGEABLE
Knob
Orscheln Products Llc
Cross-Reference Index
Part NumberManufacturer
G239PC137A PRIMARY Bethlehem Corporation (USA)
137A PRIMARY Bethlehem Corporation (USA)
G220PC137A PRIMARY Bethlehem Corporation (USA)
Related Parts
5930-00-001-3178INTERCHANGEABLE
SWITCH,THERMOSTATIC
137A
5355-00-359-0405INTERCHANGEABLE
KNOB
137A

Frequently Asked Questions

What is NSN 4410-00-377-9959?

NSN 4410-00-377-9959 is a Orifice Plate, manufactured by Bethlehem Corporation, classified under FSC 4410 (No Item Name Available). Status: active.

What are the part numbers for NSN 4410-00-377-9959?

NSN 4410-00-377-9959 has 3 cross-referenced part numbers: G239PC137A (Bethlehem Corporation), 137A (Bethlehem Corporation), G220PC137A (Bethlehem Corporation).

What NSN replaces 4410-00-377-9959?

There are 2 known substitutes for 4410-00-377-9959: 5930-00-001-3178, 5355-00-359-0405. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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