PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C115Clamp,hub

Designatronics Incorporated Div Sterling Instruments Div · NSN 3040-00-944-1375 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-944-1375 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-944-1375. Primary manufacturer part number: C115.
Features
  • Clamp,hub — FSC 3040
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Distance From Bore Centerline to End: 0.375 INCHES NOMINAL IN
  • Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW
  • Style Designator: RECTANGULAR, SINGLE BOLT SECURED
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1020
Applications
  • Applications requiring Steel Comp 1020 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-944-1375, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-944-1375
Primary Part NumberC115
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusCANCELLED
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Distance From Bore Centerline to End0.375 INCHES NOMINAL IN
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
Style DesignatorRECTANGULAR, SINGLE BOLT SECURED
Surface TreatmentCADMIUM AND CHROMATE
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1020
Clamp Securing Hole StyleTHREADED
Thickness0.140 INCHES NOMINAL IN
Bore Diameter0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
Nominal Thread Size0.086 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1680-00-021-6035C115 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Simmonds Precision Products Inc
6650-00-077-0638C115 INTERCHANGEABLE
Objective,microscope
Leica Inc Surveying and Photogrammetry Systems Div
8135-00-142-9005100001784 INTERCHANGEABLE
Cushioning Material,packaging
Sealed Air Corp Dba Sealed Air Shrink Packaging Division Div Sealed Air Corporation
8135-00-142-90168135-00-142-9016 INTERCHANGEABLE
Cushioning Material,packaging
Fp Woll & Co
5345-00-161-970707660785316 INTERCHANGEABLE
Stone,sharpening
Saint-Gobain Abrasives Inc
5330-00-292-16041206 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5133-00-357-0120C115 INTERCHANGEABLE
Cutter,counterbore
Wright Machine & Tool Co., Inc.
2940-00-377-28905570150 INTERCHANGEABLE
Filter Element,fluid
Rolls-Royce Solutions America Inc
6110-00-427-2981C115 INTERCHANGEABLE
Regulator,voltage
Stewart & Stevenson Power Products Llc
5925-00-450-4646BR120 INTERCHANGEABLE
Circuit Breaker
Bryant Electric
Cross-Reference Index
Part NumberManufacturer
CG93 Secs Inc (USA)
C115 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
135466-001 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
C120 Designatronics Incorporated Div Sterling Instruments Div (USA)
932438 Raytheon Company Dba Raytheon (USA)
45C803-001 Ail Systems Inc Sub of Eaton Corp (USA)
421814 Cae Usa Inc. (USA)
421814 Raytheon Technical Services Company (USA)
932438-1 Raytheon Company Dba Raytheon (USA)
CS3040-0006 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
1680-00-021-6035INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
C115
6650-00-077-0638INTERCHANGEABLE
OBJECTIVE,MICROSCOPE
C115
8135-00-142-9005INTERCHANGEABLE
CUSHIONING MATERIAL,PACKAGING
100001784
8135-00-142-9016INTERCHANGEABLE
CUSHIONING MATERIAL,PACKAGING
8135-00-142-9016
5345-00-161-9707INTERCHANGEABLE
STONE,SHARPENING
07660785316
5330-00-292-1604INTERCHANGEABLE
SEAL,PLAIN ENCASED
1206
5133-00-357-0120INTERCHANGEABLE
CUTTER,COUNTERBORE
C115
2940-00-377-2890INTERCHANGEABLE
FILTER ELEMENT,FLUID
5570150
6110-00-427-2981INTERCHANGEABLE
REGULATOR,VOLTAGE
C115
5925-00-450-4646INTERCHANGEABLE
CIRCUIT BREAKER
BR120
3030-00-529-0386INTERCHANGEABLE
BELT,V
5910-00-585-0109INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 3040-00-944-1375?

NSN 3040-00-944-1375 is a Clamp,hub, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-944-1375?

NSN 3040-00-944-1375 has 10 cross-referenced part numbers: CG93 (Secs Inc), C115 (Designatronics Incorporated Div Sterling Instruments Div), 135466-001 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), C120 (Designatronics Incorporated Div Sterling Instruments Div), 932438 (Raytheon Company Dba Raytheon) and 5 more.

What NSN replaces 3040-00-944-1375?

There are 12 known substitutes for 3040-00-944-1375: 1680-00-021-6035, 6650-00-077-0638, 8135-00-142-9005 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C115?

Key specifications for C115: Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Distance From Bore Centerline to End: 0.375 INCHES NOMINAL IN; Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW; Style Designator: RECTANGULAR, SINGLE BOLT SECURED. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-944-1375 still in active supply?

NSN 3040-00-944-1375 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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