PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3300Y-C091Clamp,hub

Designatronics Incorporated Div Sterling Instruments Div · NSN 3040-00-759-8831 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-759-8831 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-759-8831. Primary manufacturer part number: S3300Y-C091.
Features
  • Clamp,hub — FSC 3040
  • Nominal Thread Size: 0.138 INCHES IN
  • Thickness: 0.250 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW
  • Style Designator: RECTANGULAR, SINGLE BOLT SECURED
Applications
  • Applications requiring Steel Comp 202 or Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 304 or Steel Comp 304l or Steel Comp 305 or Steel Comp 309 or Steel Comp 310 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 321 or Steel Comp 322 or Steel Comp 324 or Steel Comp 347 or Steel Comp 633 or Steel Comp 634 or Steel Comp 403 or Steel Comp 405 or Steel Comp 410 or Steel Comp 414 or Steel Comp 416 or Steel Comp 416SE or Steel Comp 420 or Steel Comp 430 or Steel Comp 430f or Steel Comp 430FSE or Steel Comp 431 or Steel Comp 440A or Steel Comp 440b or Steel Comp 440c or Steel Comp 440f or Steel Comp 440FSE or Steel Comp 446 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-759-8831, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-759-8831
Primary Part NumberS3300Y-C091
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Nominal Thread Size0.138 INCHES IN
Thickness0.250 INCHES NOMINAL IN
Thread Quantity Per Inch32
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
Furnished Items and Quantity1 SOCKET HEAD CAP SCREW
Style DesignatorRECTANGULAR, SINGLE BOLT SECURED
MaterialSTEEL COMP 202 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 633 OR STEEL COMP 634 OR STEEL COMP 403 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 431 OR STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 440F OR STEEL COMP 440FSE OR STEEL COMP 446 A
Clamp Securing Hole StyleTHREADED
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Distance From Bore Centerline to End0.406 INCHES NOMINAL IN
Bore Diameter0.3760 INCHES NOMINAL IN
Plain Hole Diameter0.1380 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-616-4788C91 INTERCHANGEABLE
Stud,turnlock Fastener
Andrea Systems Llc
5950-01-028-6693SM-B-542572 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-050-7023159128 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5320-01-154-5658C91 INTERCHANGEABLE
Rivet,solid
Kenworth Truck Co a Div of Paccar Inc
7035-01-169-6551C-91 INTERCHANGEABLE
Eraser,microcircuit
Power Magne-Tech Corp Dba Power Magnetic
Cross-Reference Index
Part NumberManufacturer
30-00243-003 Raytheon Company (USA)
C91 Designatronics Incorporated Div Sterling Instruments Div (USA)
S3300Y-C091 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5325-00-616-4788INTERCHANGEABLE
STUD,TURNLOCK FASTENER
C91
5950-01-028-6693INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-542572
3455-01-050-7023INTERCHANGEABLE
FILE,ROTARY
159128
5320-01-154-5658INTERCHANGEABLE
RIVET,SOLID
C91
7035-01-169-6551INTERCHANGEABLE
ERASER,MICROCIRCUIT
C-91

Frequently Asked Questions

What is NSN 3040-00-759-8831?

NSN 3040-00-759-8831 is a Clamp,hub, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-759-8831?

NSN 3040-00-759-8831 has 3 cross-referenced part numbers: 30-00243-003 (Raytheon Company), C91 (Designatronics Incorporated Div Sterling Instruments Div), S3300Y-C091 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 3040-00-759-8831?

There are 5 known substitutes for 3040-00-759-8831: 5325-00-616-4788, 5950-01-028-6693, 3455-01-050-7023 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S3300Y-C091?

Key specifications for S3300Y-C091: Nominal Thread Size: 0.138 INCHES IN; Thickness: 0.250 INCHES NOMINAL IN; Thread Quantity Per Inch: 32; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com