PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74409Cap,filler Opening

Api Heat Transfer Thermasys Corporation · NSN 2930-01-267-9421 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-01-267-9421 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-267-9421. Primary manufacturer part number: 74409.
Features
  • Cap,filler Opening — FSC 2930
  • 3 verified cross-references
  • Primary manufacturer: Api Heat Transfer Thermasys Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,filler Opening, cataloged under National Stock Number 2930-01-267-9421, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Api Heat Transfer Thermasys Corporation. This item has 3 commercial cross-references from 3 manufacturers, 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 NameCap,filler Opening
FSC / FSG2930 — No Item Name Available (FSG 29)
ManufacturersApi Heat Transfer Thermasys Corporation (CAGE 4C8A9); Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div (CAGE 63079); General Thermodynamics Inc (CAGE 17285)
Technical Specifications
ParameterValue
NSN2930-01-267-9421
Primary Part Number74409
Item NameCap,filler Opening
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerApi Heat Transfer Thermasys Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-00-125-825474409 INTERCHANGEABLE
Lever,manual Control
Telemechanics Inc
2530-00-217-9544082762 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
74409 PRIMARY Api Heat Transfer Thermasys Corporation (USA)
74409 Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div
74409 General Thermodynamics Inc (USA)
Related Parts
3040-00-125-8254INTERCHANGEABLE
LEVER,MANUAL CONTROL
74409
2530-00-217-9544INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
082762

Frequently Asked Questions

What is NSN 2930-01-267-9421?

NSN 2930-01-267-9421 is a Cap,filler Opening, manufactured by Api Heat Transfer Thermasys Corporation, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-01-267-9421?

NSN 2930-01-267-9421 has 3 cross-referenced part numbers: 74409 (Api Heat Transfer Thermasys Corporation), 74409 (Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div), 74409 (General Thermodynamics Inc).

What NSN replaces 2930-01-267-9421?

There are 2 known substitutes for 2930-01-267-9421: 3040-00-125-8254, 2530-00-217-9544. Verify interchangeability with system specifications before substitution.

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