PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C50Clamp,hub

Designatronics Incorporated Div Sterling Instruments Div · NSN 3040-00-027-0344 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-027-0344 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-027-0344. Primary manufacturer part number: C50.
Features
  • Clamp,hub — FSC 3040
  • Clamp Securing Hole Style: THREADED
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Style Designator: RECTANGULAR, SINGLE BOLT SECURED
  • Surface Treatment: PASSIVATE
  • Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW
  • Material: STEEL COMP 416
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 416 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-027-0344, 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 9 commercial cross-references from 7 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
NSN3040-00-027-0344
Primary Part NumberC50
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusCANCELLED
Clamp Securing Hole StyleTHREADED
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Style DesignatorRECTANGULAR, SINGLE BOLT SECURED
Surface TreatmentPASSIVATE
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
MaterialSTEEL COMP 416
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
Distance From Bore Centerline to End0.223 INCHES NOMINAL IN
Nominal Thread Size0.086 INCHES IN
Bore Diameter0.1875 INCHES NOMINAL IN
Thickness0.150 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-126-791730 INTERCHANGEABLE
Nipple,tube
Western Enterprises Div of Scott and Fetzer Co
5315-00-276-4460104316 INTERCHANGEABLE
Pin,straight,headed
Garwood/feller Inc Garwood Winch Div
5940-00-367-5339810 971 INTERCHANGEABLE
Ferrule,electrical Conductor
General Motors Corp
5920-00-665-2885 INTERCHANGEABLE
Protector,telephone
5975-00-839-5289 INTERCHANGEABLE
Conduit Outlet
5610-00-926-45620534XX INTERCHANGEABLE
Plaster,patching,gypsum
Red Devil Inc
3040-01-012-5404500-574 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Layton Manufacturing Co.
4940-01-013-1985 INTERCHANGEABLE
Cable,premium,sewer Machine
4730-01-199-3584 INTERCHANGEABLE
Cap Protective
5340-01-205-5773C-50 INTERCHANGEABLE
Cap,protective,dust and Moisture
Bromma, Inc.
Cross-Reference Index
Part NumberManufacturer
0539-5 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
039549 Parisi Associates Llc (USA)
10670724-2 Us Army Aviation and Missile Command (USA)
12918623 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
CS3040-0004 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
C50 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
10670724-002 Us Army Aviation and Missile Command (USA)
335304 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
C539-5 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
4730-00-126-7917INTERCHANGEABLE
NIPPLE,TUBE
30
5315-00-276-4460INTERCHANGEABLE
PIN,STRAIGHT,HEADED
104316
5940-00-367-5339INTERCHANGEABLE
FERRULE,ELECTRICAL CONDUCTOR
810 971
5920-00-665-2885INTERCHANGEABLE
PROTECTOR,TELEPHONE
5975-00-839-5289INTERCHANGEABLE
CONDUIT OUTLET
5610-00-926-4562INTERCHANGEABLE
PLASTER,PATCHING,GYPSUM
0534XX
3040-01-012-5404INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
500-574
4940-01-013-1985INTERCHANGEABLE
CABLE,PREMIUM,SEWER MACHINE
4730-01-199-3584INTERCHANGEABLE
CAP PROTECTIVE
5340-01-205-5773INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
C-50
7520-01-316-0361INTERCHANGEABLE
RACK,DISTRIBUTOR,DESK
C61
3130-01-336-0034INTERCHANGEABLE
BEARING UNIT,BALL

Frequently Asked Questions

What is NSN 3040-00-027-0344?

NSN 3040-00-027-0344 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 3040-00-027-0344?

NSN 3040-00-027-0344 has 9 cross-referenced part numbers: 0539-5 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 039549 (Parisi Associates Llc), 10670724-2 (Us Army Aviation and Missile Command), 12918623 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), CS3040-0004 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 4 more.

What NSN replaces 3040-00-027-0344?

There are 12 known substitutes for 3040-00-027-0344: 4730-00-126-7917, 5315-00-276-4460, 5940-00-367-5339 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C50?

Key specifications for C50: Clamp Securing Hole Style: THREADED; Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Style Designator: RECTANGULAR, SINGLE BOLT SECURED; Surface Treatment: PASSIVATE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-027-0344 still in active supply?

NSN 3040-00-027-0344 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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