PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-187807Clamp,hub

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-652-8941 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-652-8941 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-652-8941. Primary manufacturer part number: SM-B-187807.
Features
  • Clamp,hub — FSC 3040
  • Screw Thread Series Designator: UNF
  • Style Designator: RECTANGULAR, SINGLE BOLT SECURED
  • Material: STEEL COMP 1213
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1113 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1113 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: PHOSPHATE
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • Nominal Thread Size: 0.138 INCHES IN
Applications
  • Applications requiring Steel Comp 1213 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-00-652-8941, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-652-8941
Primary Part NumberSM-B-187807
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Screw Thread Series DesignatorUNF
Style DesignatorRECTANGULAR, SINGLE BOLT SECURED
MaterialSTEEL COMP 1213
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1113 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1113 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentPHOSPHATE
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Nominal Thread Size0.138 INCHES IN
Plain Hole Diameter0.0930 INCHES NOMINAL IN
Clamp Securing Hole StyleTHREADED
Bore Diameter0.2500 INCHES NOMINAL IN
Distance From Bore Centerline to End0.2810 INCHES NOMINAL IN
Thickness0.4320 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3010-00-482-65836002-6 INTERCHANGEABLE
Clutch,positive,nonvehicular
Instrument Systems Corp
5310-00-595-588660026 INTERCHANGEABLE
Washer,flat
Cummins Inc.
5330-00-609-618160026 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4730-00-793-2806120-01833-002 INTERCHANGEABLE
Elbow,pipe to Tube
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5950-00-897-5731 INTERCHANGEABLE
Transformer,power
5360-01-172-631160026 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation Dba Control Systems Division
5330-01-218-804520831-4 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Eaton Corporation Div Eaton Fluid Power
4310-01-289-363860026 INTERCHANGEABLE
Control,purge,regenerator
Air Techniques, Inc.
5340-01-715-182260026 INTERCHANGEABLE
Cover,protective,dust and Moistu
Spectro Wire & Cable, Inc.
Cross-Reference Index
Part NumberManufacturer
60026 Kleinschmidt Inc (USA)
SM-B-187807 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3010-00-482-6583INTERCHANGEABLE
CLUTCH,POSITIVE,NONVEHICULAR
6002-6
5310-00-595-5886INTERCHANGEABLE
WASHER,FLAT
60026
5330-00-609-6181INTERCHANGEABLE
SEAL,PLAIN ENCASED
60026
4730-00-793-2806INTERCHANGEABLE
ELBOW,PIPE TO TUBE
120-01833-002
5950-00-897-5731INTERCHANGEABLE
TRANSFORMER,POWER
5360-01-172-6311INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
60026
5330-01-218-8045INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
20831-4
4310-01-289-3638INTERCHANGEABLE
CONTROL,PURGE,REGENERATOR
60026
5340-01-715-1822INTERCHANGEABLE
COVER,PROTECTIVE,DUST AND MOISTU
60026

Frequently Asked Questions

What is NSN 3040-00-652-8941?

NSN 3040-00-652-8941 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: active.

What are the part numbers for NSN 3040-00-652-8941?

NSN 3040-00-652-8941 has 2 cross-referenced part numbers: 60026 (Kleinschmidt Inc), SM-B-187807 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3040-00-652-8941?

There are 9 known substitutes for 3040-00-652-8941: 3010-00-482-6583, 5310-00-595-5886, 5330-00-609-6181 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-187807?

Key specifications for SM-B-187807: Screw Thread Series Designator: UNF; Overall Length: 0.5000 INCHES NOMINAL IN; Style Designator: RECTANGULAR, SINGLE BOLT SECURED; Material: STEEL COMP 1213. 15 total characteristics are documented in the Federal Logistics Information System.

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