Securing Hole Type and Location: THREADED 1ST HOLE AND UNTHREADED 2ND HOLE
Style Designator: PLAIN ROUND
Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
Outside Diameter: 0.281 INCHES NOMINAL IN
Hole Diameter and Location: 0.0370 INCHES NOMINAL SINGLE HOLE IN
Nominal Thread Size: 0.112 INCHES SINGLE HOLE IN
Securing Hole Quantity: 2
Identification
NSN: 3040-00-294-9983
NIIN: 002949983
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Collar,shaft, cataloged under National Stock Number 3040-00-294-9983, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-294-9983
Item Name
Collar,shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Securing Hole Type and Location
THREADED 1ST HOLE AND UNTHREADED 2ND HOLE
Style Designator
PLAIN ROUND
Screw Thread Series Designator and Location
SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
Outside Diameter
0.281 INCHES NOMINAL IN
Hole Diameter and Location
0.0370 INCHES NOMINAL SINGLE HOLE IN
Nominal Thread Size
0.112 INCHES SINGLE HOLE IN
Securing Hole Quantity
2
Bore Diameter
0.1250 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
Material
ALUMINUM ALLOY
Thickness
0.188 INCHES NOMINAL 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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2520-00-617-551234237POSSIBLE MATCH
PINION,DRIVE
Possible match (shared part number)Dana Light Axle Products, Llc Dba Dana Light Axle Products
2915-00-980-3343573039POSSIBLE MATCH
ROD,ACTUATING
Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace
4810-01-348-5589POSSIBLE MATCH
INDICATOR,VALVE OPENING
Possible match (shared part number)
7025-01-608-443734237POSSIBLE MATCH
DISK DRIVE UNIT
Possible match (shared part number)Iomega Corporation
5340-01-649-338634237POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Generac Mobile Products, Llc
6625-01-694-0334POSSIBLE MATCH
METER,CONDUCTIVITY
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
57-3039
5/9Secondary reference
Seeburg Corp the Seeburg Products Div
34-237
3/2Design control — primary reference
U.S. Government activity
Related Parts
2520-00-617-5512POSSIBLE MATCH
PINION,DRIVE
34237
2915-00-980-3343POSSIBLE MATCH
ROD,ACTUATING
573039
4810-01-348-5589POSSIBLE MATCH
INDICATOR,VALVE OPENING
7025-01-608-4437POSSIBLE MATCH
DISK DRIVE UNIT
34237
5340-01-649-3386POSSIBLE MATCH
BRACKET,MOUNTING
34237
6625-01-694-0334POSSIBLE MATCH
METER,CONDUCTIVITY
Frequently Asked Questions
What is NSN 3040-00-294-9983?
NSN 3040-00-294-9983 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-00-294-9983?
6 possible matches (shared part number, not a government interchangeability claim): 2520-00-617-5512, 2915-00-980-3343, 4810-01-348-5589. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-00-294-9983?
Key specifications for 3040-00-294-9983: Securing Hole Type and Location: THREADED 1ST HOLE AND UNTHREADED 2ND HOLE; Style Designator: PLAIN ROUND; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC); Outside Diameter: 0.281 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-294-9983 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.