Material Document and Classification: QQ-S-764, TYPE 303, COND B-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Outside Diameter: 0.500 INCHES NOMINAL IN
Bore Diameter: 0.2500 INCHES NOMINAL IN
Material: STEEL COMP 303
Identification
NSN: 3040-00-294-7390
NIIN: 002947390
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Collar,shaft, cataloged under National Stock Number 3040-00-294-7390, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-294-7390
Item Name
Collar,shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Material Document and Classification
QQ-S-764, TYPE 303, COND B-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Outside Diameter
0.500 INCHES NOMINAL IN
Bore Diameter
0.2500 INCHES NOMINAL IN
Material
STEEL COMP 303
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5935-00-296-880550209POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Meggitt (new Hampshire), Inc
5815-00-981-0173POSSIBLE MATCH
PAWL-PIN
Possible match (shared part number)
6105-01-039-0963POSSIBLE MATCH
MOTOR,CONTROL
Possible match (shared part number)
1560-01-059-8130457-34-1POSSIBLE MATCH
CAP AND ADAPTER ASSEMBLY
Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics
6150-01-587-1702209-000301POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Army, United States Department of the Dba Aviation Applied Technology Directorate
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SCB69522-2
3/2Design control — primary reference
U.S. Government activity
50209
5/9Secondary reference
U.S. Government activity
Related Parts
5935-00-296-8805POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
50209
5815-00-981-0173POSSIBLE MATCH
PAWL-PIN
6105-01-039-0963POSSIBLE MATCH
MOTOR,CONTROL
1560-01-059-8130POSSIBLE MATCH
CAP AND ADAPTER ASSEMBLY
457-34-1
6150-01-587-1702POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
209-000301
Frequently Asked Questions
What is NSN 3040-00-294-7390?
NSN 3040-00-294-7390 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-00-294-7390?
5 possible matches (shared part number, not a government interchangeability claim): 5935-00-296-8805, 5815-00-981-0173, 6105-01-039-0963. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-00-294-7390?
Key specifications for 3040-00-294-7390: Material Document and Classification: QQ-S-764, TYPE 303, COND B-CANCELED FED SPEC SINGLE MATERIAL RESPONSE; Overall Width: 0.250 INCHES NOMINAL IN; Outside Diameter: 0.500 INCHES NOMINAL IN; Bore Diameter: 0.2500 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-294-7390 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.