PartsTable TECHNICAL DATA SHEET
NSN 2805-01-201-9947Government record, cited

Breather2805-01-201-9947

NSN 2805-01-201-9947 · NIIN 012019947 · Part number 11457205
Us Army Aviation and Missile Command · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 18876
Government record, cited
NSN 2805-01-201-9947 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-201-9947. Manufacturer of record part number: 11457205.
Also searched as  2805-01-201-9947 · 2805012019947 · NIIN 012019947 · 01-201-9947 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 18876 · 11457205
Nearby stock numbers  ·
Features
  • Breather — FSC 2805
  • 1 manufacturer part number on file
  • Manufacturer of record: Us Army Aviation and Missile Command
Identification
  • NSN: 2805-01-201-9947
  • NIIN: 012019947
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 11457205
  • Manufacturer: Us Army Aviation and Missile Command
General Description

The Breather, cataloged under National Stock Number 2805-01-201-9947, 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 Us Army Aviation and Missile Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-201-9947
Primary Part Number11457205
Item NameBreather
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
11457205 PRIMARY Us Army Aviation and Missile Command (USA)
Reference documents
ReferenceMeaning
11457205 5/1 Secondary reference
Rpl Electronics Co
No interchangeability data on file.
Other items in FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959
2805-00-010-2959 · Item name not on file
2805-00-066-3426
TAPPET,ENGINE POPPET VALVE
2805-00-326-0797
SPRING,COUPLING FLA
2805-00-395-7778
BALL,BY-PASS VALVE
2805-00-422-9321
RING SET,PISTON
2805-00-447-9114
VALVE,POPPET,ENGINE
2805-00-448-0786
CAMSHAFT
2805-00-561-9463
GUIDE,VALVE STEM

Frequently Asked Questions

What is NSN 2805-01-201-9947?

NSN 2805-01-201-9947 is a Breather, manufactured by Us Army Aviation and Missile Command, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-01-201-9947?

NSN 2805-01-201-9947 has 1 manufacturer part number on file: 11457205 (Us Army Aviation and Missile Command).

What are the specifications of 11457205?

Key specifications for 11457205: Overall Height: 1.250 INCHES MAXIMUM IN; Overall Length: 1.720 INCHES MAXIMUM IN; Special Features: C/O VENT FITTING 1;PLUG VENT 1;HARDWARE KIT 1. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2805-01-201-9947 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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