PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-498145Clamp,hub

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-808-0757 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-808-0757 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-808-0757. Primary manufacturer part number: SM-B-498145.
Features
  • Clamp,hub — FSC 3040
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 303
  • Style Designator: ROUND, SINGLE BOLT SECURED
  • Plain Hole Diameter: 0.0890 INCHES NOMINAL IN
  • Bore Diameter: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-808-0757, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 17 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
NSN3040-00-808-0757
Primary Part NumberSM-B-498145
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 303
Style DesignatorROUND, SINGLE BOLT SECURED
Plain Hole Diameter0.0890 INCHES NOMINAL IN
Bore Diameter0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Clamp Securing Hole StyleTHREADED
Thickness0.156 INCHES NOMINAL IN
Nominal Thread Size0.086 INCHES IN
Outside Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0238418 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5940-00-113-981933459 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5630-00-270-1405 INTERCHANGEABLE
Pipe,concrete
5630-00-270-1406 INTERCHANGEABLE
Pipe,concrete
5210-00-407-1056 INTERCHANGEABLE
Indicator,dial
3040-00-879-7354S3501Y-C076 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
3405-00-975-4408C-1216A INTERCHANGEABLE
Saw,band,cutoff
Doall Baltimore Company
7810-01-054-4028MP-5 INTERCHANGEABLE
Pitching Machine
Master Pitch Llc Div Master Pitching Machine
6635-01-076-931132-1794-1 INTERCHANGEABLE
Transducer
The Boeing Company Div Defense
5835-01-101-3687 INTERCHANGEABLE
Head Clean Spray
Cross-Reference Index
Part NumberManufacturer
CG113 Tempo Instrument Inc Defense Electronics Div (USA)
13084306 Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah (USA)
C70 Designatronics Incorporated Div Sterling Instruments Div (USA)
321794-1 Lockheed Martin Corp Lockheed Martin Mission Systems (USA)
9147C5045 Lockheed Corp Lockheed Electronics Co Inc (USA)
PL1889773 PC15 Northrop Grumman Systems Corporation (USA)
419339-2 Raytheon Company Dba Raytheon (USA)
C76 Designatronics Incorporated Div Sterling Instruments Div (USA)
71999-9 Raytheon Company Div Rmd Strategic (USA)
SM-B-498145 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
215-002-0002 Northrop Grumman Systems Corporation (USA)
SCM250 Southern Gear & Machine Inc (USA)
321794-1 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
10548111-2 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
GX14757-8 Unisys Corp Defense Systems C S D Field Engineering (USA)
63C807-002 Ail Systems Inc Sub of Eaton Corp (USA)
9147C5045 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
10179123-1 Us Army Aviation and Missile Command (USA)
CG113 B.c. Systems Inc. Dba Bc Systems Inc (USA)
120568-002 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
3110-00-100-0238INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
418
5940-00-113-9819INTERCHANGEABLE
TERMINAL,LUG
33459
5630-00-270-1405INTERCHANGEABLE
PIPE,CONCRETE
5630-00-270-1406INTERCHANGEABLE
PIPE,CONCRETE
5210-00-407-1056INTERCHANGEABLE
INDICATOR,DIAL
3040-00-879-7354INTERCHANGEABLE
CLAMP,HUB
S3501Y-C076
3405-00-975-4408INTERCHANGEABLE
SAW,BAND,CUTOFF
C-1216A
7810-01-054-4028INTERCHANGEABLE
PITCHING MACHINE
MP-5
6635-01-076-9311INTERCHANGEABLE
TRANSDUCER
32-1794-1
5835-01-101-3687INTERCHANGEABLE
HEAD CLEAN SPRAY
5965-01-103-0403INTERCHANGEABLE
MICROPHONE CORD
C70
6625-01-213-0448INTERCHANGEABLE
HOLDER,TEST LEADS
C-70G

Frequently Asked Questions

What is NSN 3040-00-808-0757?

NSN 3040-00-808-0757 is a Clamp,hub, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-808-0757?

NSN 3040-00-808-0757 has 22 cross-referenced part numbers: CG113 (Tempo Instrument Inc Defense Electronics Div), 13084306 (Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah), C70 (Designatronics Incorporated Div Sterling Instruments Div), 321794-1 (Lockheed Martin Corp Lockheed Martin Mission Systems), 9147C5045 (Lockheed Corp Lockheed Electronics Co Inc) and 17 more.

What NSN replaces 3040-00-808-0757?

There are 12 known substitutes for 3040-00-808-0757: 3110-00-100-0238, 5940-00-113-9819, 5630-00-270-1405 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-498145?

Key specifications for SM-B-498145: Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment: PASSIVATE; Material: STEEL COMP 303; Style Designator: ROUND, SINGLE BOLT SECURED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-808-0757 still in active supply?

NSN 3040-00-808-0757 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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