PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2178A1Plumb Bob

Mcmaster-Carr Supply Co · NSN 5210-00-238-3298 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-00-238-3298 — this item is cataloged by the U.S. Government under National Stock Number 5210-00-238-3298. Primary manufacturer part number: 2178A1.
Features
  • Plumb Bob — FSC 5210
  • Point Hardness Designation: HARDENED
  • Body Type: SOLID
  • Material: COPPER ALLOY
  • Top Adjustability: NONADJUSTABLE
  • Top Removability: REMOVABLE
  • Style Designator: LONG NECK TAPER POINT
  • Point Removability: REMOVABLE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Plumb Bob, cataloged under National Stock Number 5210-00-238-3298, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5210-00-238-3298
Primary Part Number2178A1
Item NamePlumb Bob
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusCANCELLED
Point Hardness DesignationHARDENED
Body TypeSOLID
MaterialCOPPER ALLOY
Top AdjustabilityNONADJUSTABLE
Top RemovabilityREMOVABLE
Style DesignatorLONG NECK TAPER POINT
Point RemovabilityREMOVABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5210-00-007-8229PD5210-00-007-8229 INTERCHANGEABLE
Plumb Bob
General Services Administration Federal Supply Service
5210-00-022-1143830012 INTERCHANGEABLE
Plumb Bob
Keuffel and Esser Co
5210-00-224-8791 INTERCHANGEABLE
Plumb Bob
5210-00-224-87925210-00-224-8792 INTERCHANGEABLE
Plumb Bob
General Services Administration Federal Supply Service
5210-00-224-87945210-00-224-8794 INTERCHANGEABLE
Plumb Bob
General Services Administration Federal Supply Service
5210-00-234-89495210-00-234-8949 INTERCHANGEABLE
Plumb Bob
General Services Administration Federal Supply Service
5210-00-238-1733 INTERCHANGEABLE
Plumb Bob
5210-00-238-3299PBB-8 INTERCHANGEABLE
Plumb Bob
L.s. Starrett Company (the) Div Tool Division
5210-00-268-96175210-00-268-9617 INTERCHANGEABLE
Plumb Bob
General Services Administration Federal Supply Service
5210-00-268-9620 INTERCHANGEABLE
Plumb Bob
Cross-Reference Index
Part NumberManufacturer
2178A1 Mcmaster-Carr Supply Co (USA)
5210-00-238-3298 General Services Administration Federal Supply Service (USA)
GGG-P-501 TY1SZ6OZ General Services Administration Federal Supply Service (USA)
SC5210-0001-1 Drs Icas, Llc (USA)
GGG-P-501 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5210-00-007-8229INTERCHANGEABLE
PLUMB BOB
PD5210-00-007-8229
5210-00-022-1143INTERCHANGEABLE
PLUMB BOB
830012
5210-00-224-8791INTERCHANGEABLE
PLUMB BOB
5210-00-224-8792INTERCHANGEABLE
PLUMB BOB
5210-00-224-8792
5210-00-224-8794INTERCHANGEABLE
PLUMB BOB
5210-00-224-8794
5210-00-234-8949INTERCHANGEABLE
PLUMB BOB
5210-00-234-8949
5210-00-238-1733INTERCHANGEABLE
PLUMB BOB
5210-00-238-3299INTERCHANGEABLE
PLUMB BOB
PBB-8
5210-00-268-9617INTERCHANGEABLE
PLUMB BOB
5210-00-268-9617
5210-00-268-9620INTERCHANGEABLE
PLUMB BOB
5210-00-273-1958INTERCHANGEABLE
SHEATH,PLUMB BOB
830092
5210-00-287-2084INTERCHANGEABLE
PLUMB BOB
5210-00-287-2084

Frequently Asked Questions

What is NSN 5210-00-238-3298?

NSN 5210-00-238-3298 is a Plumb Bob, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5210-00-238-3298?

NSN 5210-00-238-3298 has 5 cross-referenced part numbers: 2178A1 (Mcmaster-Carr Supply Co), 5210-00-238-3298 (General Services Administration Federal Supply Service), GGG-P-501 TY1SZ6OZ (General Services Administration Federal Supply Service), SC5210-0001-1 (Drs Icas, Llc), GGG-P-501 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5210-00-238-3298?

There are 12 known substitutes for 5210-00-238-3298: 5210-00-007-8229, 5210-00-022-1143, 5210-00-224-8791 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2178A1?

Key specifications for 2178A1: Point Hardness Designation: HARDENED; Body Type: SOLID; Material: COPPER ALLOY; Top Adjustability: NONADJUSTABLE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5210-00-238-3298 still in active supply?

NSN 5210-00-238-3298 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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