PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C539-13Clamp,hub

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 3040-01-210-9622 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-210-9622 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-210-9622. Primary manufacturer part number: C539-13.
Features
  • Clamp,hub — FSC 3040
  • Distance From Bore Centerline to End: 0.312 INCHES NOMINAL IN
  • Style Designator: RECTANGULAR, SINGLE BOLT SECURED
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316
  • Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
  • Nominal Thread Size: 0.112 INCHES IN
  • Clamp Securing Hole Style: THREADED
  • Bore Diameter: 0.2500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 316 construction
General Description

The Clamp,hub, cataloged under National Stock Number 3040-01-210-9622, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN3040-01-210-9622
Primary Part NumberC539-13
Item NameClamp,hub
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Distance From Bore Centerline to End0.312 INCHES NOMINAL IN
Style DesignatorRECTANGULAR, SINGLE BOLT SECURED
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Size0.112 INCHES IN
Clamp Securing Hole StyleTHREADED
Bore Diameter0.2500 INCHES NOMINAL IN
Thickness0.250 INCHES NOMINAL IN
Plain Hole Diameter0.1120 INCHES NOMINAL IN
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-264-054210S0926 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Abm Equipment, Llc
5120-00-293-1916C539 INTERCHANGEABLE
Auger,pipe and Sewer,hand
Coleman Allan J Co
2530-00-529-420945Z225 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Morris Material Handling, Inc.
5950-00-844-1785C539 INTERCHANGEABLE
Reactor
Inrcore, Llc Div Inrcore
3040-01-361-0569C46 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
Cross-Reference Index
Part NumberManufacturer
3040PL1874936 Jednolity Indeks Materialowy - Uniform Material Index (POL)
3040PL0667669 Jednolity Indeks Materialowy - Uniform Material Index (POL)
C539 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
C539-13 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
S3244YR0004 Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5310-00-264-0542INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
10S0926
5120-00-293-1916INTERCHANGEABLE
AUGER,PIPE AND SEWER,HAND
C539
2530-00-529-4209INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
45Z225
5950-00-844-1785INTERCHANGEABLE
REACTOR
C539
3040-01-361-0569INTERCHANGEABLE
CLAMP,HUB
C46

Frequently Asked Questions

What is NSN 3040-01-210-9622?

NSN 3040-01-210-9622 is a Clamp,hub, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-210-9622?

NSN 3040-01-210-9622 has 5 cross-referenced part numbers: 3040PL1874936 (Jednolity Indeks Materialowy - Uniform Material Index), 3040PL0667669 (Jednolity Indeks Materialowy - Uniform Material Index), C539 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), C539-13 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), S3244YR0004 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 3040-01-210-9622?

There are 5 known substitutes for 3040-01-210-9622: 5310-00-264-0542, 5120-00-293-1916, 2530-00-529-4209 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C539-13?

Key specifications for C539-13: Distance From Bore Centerline to End: 0.312 INCHES NOMINAL IN; Style Designator: RECTANGULAR, SINGLE BOLT SECURED; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE. 12 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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