NSN 3040-01-423-1901 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-423-1901. Manufacturer of record part number: 3378-2.
Also searched as3040-01-423-1901 ·
3040014231901 ·
NIIN 014231901 ·
01-423-1901 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 01420 · 3378-2
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 3378-2
Manufacturer: Hoyt Corporation
General Description
The End Cap,outer Shaft,air Clutch, cataloged under National Stock Number 3040-01-423-1901, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hoyt Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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
3040-01-423-1901
Primary Part Number
3378-2
Item Name
End Cap,outer Shaft,air Clutch
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Hoyt Corporation
Status
ACTIVE
Material
STEEL
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5930-01-433-49648943K28POSSIBLE MATCH
SWITCH,PUSH
Possible match (shared part number)Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
2530-01-500-0211916657-585POSSIBLE MATCH
SHAFT,STEERING COLUMN
Possible match (shared part number)Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
NSN 3040-01-423-1901 is a End Cap,outer Shaft,air Clutch, manufactured by Hoyt Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-423-1901?
NSN 3040-01-423-1901 has 1 manufacturer part number on file: 3378-2 (Hoyt Corporation).
What NSN replaces 3040-01-423-1901?
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-433-4964, 2530-01-500-0211, 1005-01-664-0516. Verify interchangeability with system specifications before substitution.
What are the specifications of 3378-2?
Key specifications for 3378-2: End Item Identification: WEAPONS SYSTEM HZ, FORRESTAL CLASS CV; END ITEM 3510-01-337-0219; Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-423-1901 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.