PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

671Breather

Protectoseal Co Container Div · NSN 3040-00-223-8073 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-223-8073 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-223-8073. Primary manufacturer part number: 671.
Features
  • Breather — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Protectoseal Co Container Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breather, cataloged under National Stock Number 3040-00-223-8073, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Protectoseal Co Container Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-223-8073
Primary Part Number671
Item NameBreather
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerProtectoseal Co Container Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-059-8905671 INTERCHANGEABLE
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5905-00-101-2769L50J5R0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5210-00-181-167711155206 INTERCHANGEABLE
Attachment,indicato
Us Army Aviation and Missile Command
5120-00-240-52325120-00-240-5232 INTERCHANGEABLE
Screwdriver,offset
General Services Administration Federal Supply Service
5325-00-276-4945 INTERCHANGEABLE
Cap,snap Fastener
5340-00-370-9679 INTERCHANGEABLE
Deflector,dirt and Liquid
2520-00-447-9584671 INTERCHANGEABLE
Breather
Protectoseal Co Container Div
4910-00-473-7550 INTERCHANGEABLE
Sling,final Drive
5999-00-679-3939671 INTERCHANGEABLE
Delay Line
Micro Networks Corporation
2835-00-870-9916671 INTERCHANGEABLE
Vent Plate
Protectoseal Co Container Div
Cross-Reference Index
Part NumberManufacturer
671 PRIMARY Protectoseal Co Container Div (USA)
LTCT20719-01 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
6625-00-059-8905INTERCHANGEABLE
LEAD,TEST
671
5905-00-101-2769INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
L50J5R0
5210-00-181-1677INTERCHANGEABLE
ATTACHMENT,INDICATO
11155206
5120-00-240-5232INTERCHANGEABLE
SCREWDRIVER,OFFSET
5120-00-240-5232
5325-00-276-4945INTERCHANGEABLE
CAP,SNAP FASTENER
5340-00-370-9679INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
2520-00-447-9584INTERCHANGEABLE
BREATHER
671
4910-00-473-7550INTERCHANGEABLE
SLING,FINAL DRIVE
5999-00-679-3939INTERCHANGEABLE
DELAY LINE
671
2835-00-870-9916INTERCHANGEABLE
VENT PLATE
671
5310-00-950-8267INTERCHANGEABLE
NUT,PLAIN,CLINCH
SN440-4
5330-01-124-6410INTERCHANGEABLE
GASKET
671

Frequently Asked Questions

What is NSN 3040-00-223-8073?

NSN 3040-00-223-8073 is a Breather, manufactured by Protectoseal Co Container Div, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-223-8073?

NSN 3040-00-223-8073 has 2 cross-referenced part numbers: 671 (Protectoseal Co Container Div), LTCT20719-01 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 3040-00-223-8073?

There are 12 known substitutes for 3040-00-223-8073: 6625-00-059-8905, 5905-00-101-2769, 5210-00-181-1677 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 671?

Key specifications for 671: Overall Width: 3.500 INCHES MAXIMUM IN; Overall Height: 3.700 INCHES MAXIMUM IN. 2 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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