NSN 3040-01-163-8136 · NIIN 011638136 · Part number DB75B
Vortox Company · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 79160
Government record, cited
NSN 3040-01-163-8136 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-163-8136. Manufacturer of record part number: DB75B.
Also searched as3040-01-163-8136 ·
3040011638136 ·
NIIN 011638136 ·
01-163-8136 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 79160 · DB75B · 309101 · 309101
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: DB75B
Manufacturer: Vortox Company
General Description
The Breather, cataloged under National Stock Number 3040-01-163-8136, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Vortox Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-163-8136
Primary Part Number
DB75B
Item Name
Breather
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Vortox Company
Status
ACTIVE
Outside Diameter
2.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4710-01-269-2360309101102POSSIBLE MATCH
TUBE,METALLIC
Possible match (shared part number)Moog Inc.
4720-01-299-0362309101-101POSSIBLE MATCH
TUBING,NONMETALLIC
Possible match (shared part number)Moog Inc.
5340-01-301-4039DB-75BPOSSIBLE MATCH
BUMPER
Possible match (shared part number)Johnson Rubber Co the
1336-01-519-720030910-1POSSIBLE MATCH
CARTRIDGE,IMPULSE
Possible match (shared part number)Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
NSN 3040-01-163-8136 is a Breather, manufactured by Vortox Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-163-8136?
NSN 3040-01-163-8136 has 2 manufacturer part numbers on file: 309101 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), DB75B (Vortox Company).
What NSN replaces 3040-01-163-8136?
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-269-2360, 4720-01-299-0362, 5340-01-301-4039. Verify interchangeability with system specifications before substitution.
What are the specifications of DB75B?
Key specifications for DB75B: Overall Height: 1.375 INCHES MAXIMUM IN; Outside Diameter: 2.250 INCHES MAXIMUM IN; Special Features: BREATHER CAP;EXTERNAL MTG THD 0.750 IN.STD PIPE THD BY 0.750 IN.LG;SEVEN EQUALLY SPACED BREATHER HOLES 0.938 IN.DIA;INTEGRAL LIQUID MEASURING DIP STICK 22.125 IN.LG;0.378 IN.W;CALIBRATED LINE SPACED 4.000 IN.FROM FREE END READS ADD AND A LINE SPACED 5.190 IN.FROM END READS FULL;BLACK ENAMEL IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-163-8136 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.