PartsTable TECHNICAL DATA SHEET
NSN 2805-00-740-3399Government record, cited

Breather2805-00-740-3399

NSN 2805-00-740-3399 · NIIN 007403399 · Part number 525041
Renk America Llc Div Renk America · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 02978
Government record, cited
NSN 2805-00-740-3399 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-740-3399. Manufacturer of record part number: 525041.
Also searched as  2805-00-740-3399 · 2805007403399 · NIIN 007403399 · 00-740-3399 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 02978 · 525041 · 7403399
Nearby stock numbers  ·
Features
  • Breather — FSC 2805
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Renk America Llc Div Renk America
Identification
  • NSN: 2805-00-740-3399
  • NIIN: 007403399
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 525041
  • Manufacturer: Renk America Llc Div Renk America
General Description

The Breather, cataloged under National Stock Number 2805-00-740-3399, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Renk America Llc Div Renk America. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-740-3399
Primary Part Number525041
Item NameBreather
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-460-0489525041 POSSIBLE MATCH
BUMPER
Possible match (shared part number)Empire Abrasive Equipment Co Lp
Cross-Reference Index
Part NumberManufacturer
525041 PRIMARY Renk America Llc Div Renk America (USA)
7403399 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5340-01-460-0489POSSIBLE MATCH
BUMPER
525041

Frequently Asked Questions

What is NSN 2805-00-740-3399?

NSN 2805-00-740-3399 is a Breather, manufactured by Renk America Llc Div Renk America, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-00-740-3399?

NSN 2805-00-740-3399 has 2 manufacturer part numbers on file: 525041 (Renk America Llc Div Renk America), 7403399 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2805-00-740-3399?

1 possible match (shared part number, not a government interchangeability claim): 5340-01-460-0489. Verify interchangeability with system specifications before substitution.

What are the specifications of 525041?

Key specifications for 525041: Special Features: C/O TUBE 1 P/N 7403712;FITTING 1 P/N 7403711;ALLPARTS ARE FSCM 19207. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2805-00-740-3399 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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