PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C420168Breather

Federal Equipment Co · NSN 3040-00-410-6417 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-410-6417 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-410-6417. Primary manufacturer part number: C420168.
Features
  • Breather — FSC 3040
  • Connection Type: THREADED
  • Thread Size and Series/type Designator: 1/2-14 NPT
  • Outside Diameter: 1.531 INCHES MAXIMUM IN
  • 8 verified cross-references
  • Primary manufacturer: Federal Equipment Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breather, cataloged under National Stock Number 3040-00-410-6417, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Federal Equipment Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-410-6417
Primary Part NumberC420168
Item NameBreather
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerFederal Equipment Co
StatusACTIVE
Connection TypeTHREADED
Thread Size and Series/type Designator1/2-14 NPT
Outside Diameter1.531 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-237-587026294 INTERCHANGEABLE
Spring,helical,extension
Briggs and Stratton Corp
5330-00-410-489226294-10 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-00-823-8804 INTERCHANGEABLE
Washer,flat
6130-01-157-665526294 INTERCHANGEABLE
Power Supply
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
3040-01-504-628126294 INTERCHANGEABLE
Breather
Emcor Enclosures Llc
7610-01-577-529426294 INTERCHANGEABLE
Manual,technical
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
C420168 PRIMARY Federal Equipment Co (USA)
318244-86 Northrop Grumman Systems Corporation (USA)
2B1-54 Lake Shore Systems, Inc. (USA)
5B1-03364 PRIMARY Lake Shore Systems, Inc. (USA)
165772 Lake Shore Systems, Inc. (USA)
26294 Lake Shore Systems, Inc. (USA)
2B1-00054 Lake Shore Systems, Inc. (USA)
3040PL0831672 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5360-00-237-5870INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
26294
5330-00-410-4892INTERCHANGEABLE
GASKET
26294-10
5310-00-823-8804INTERCHANGEABLE
WASHER,FLAT
6130-01-157-6655INTERCHANGEABLE
POWER SUPPLY
26294
3040-01-504-6281INTERCHANGEABLE
BREATHER
26294
7610-01-577-5294INTERCHANGEABLE
MANUAL,TECHNICAL
26294

Frequently Asked Questions

What is NSN 3040-00-410-6417?

NSN 3040-00-410-6417 is a Breather, manufactured by Federal Equipment Co, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-410-6417?

NSN 3040-00-410-6417 has 8 cross-referenced part numbers: C420168 (Federal Equipment Co), 318244-86 (Northrop Grumman Systems Corporation), 2B1-54 (Lake Shore Systems, Inc.), 5B1-03364 (Lake Shore Systems, Inc.), 165772 (Lake Shore Systems, Inc.) and 3 more.

What NSN replaces 3040-00-410-6417?

There are 6 known substitutes for 3040-00-410-6417: 5360-00-237-5870, 5330-00-410-4892, 5310-00-823-8804 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C420168?

Key specifications for C420168: Connection Type: THREADED; Special Features: BRONZE CAP AND RETAINER,BRASS CENTER TUBE,STEEL WOOL ELEMENT; Overall Length: 2.250 INCHES MAXIMUM IN; Thread Size and Series/type Designator: 1/2-14 NPT. 5 total characteristics are documented in the Federal Logistics Information System.

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