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Technical Data Sheet
PartsTable / COMPONENT / 2178A1
2178A1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLUMB BOB is a the manufacturer industrial component. Key specifications include weight: 6.000 OUNCES OZ, material: COPPER ALLOY, body_type: SOLID, style_designator: LONG NECK TAPER POINT, top_removability: REMOVABLE, top_adjustability: NONADJUSTABLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-238-3298, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2178A1
NSN: 5210-00-238-3298
FSC: 5210
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
weight6.000 OUNCES OZ
materialCOPPER ALLOY
body_typeSOLID
style_designatorLONG NECK TAPER POINT
top_removabilityREMOVABLE
top_adjustabilityNONADJUSTABLE
point_removabilityREMOVABLE
point_hardness_designationHARDENED
NSN5210-00-238-3298
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUMB BOB TITLE COMPONENT PN 2178A1 MFR PLUMB BOB
KEY FEATURES
•
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
TECHNICAL CHARACTERISTICS (FLIS)
POINT HARDNESS DESIGNATIONHARDENED
BODY TYPESOLID
MATERIALCOPPER ALLOY
TOP ADJUSTABILITYNONADJUSTABLE
WEIGHT6.000 OUNCES OZ
TOP REMOVABILITYREMOVABLE
STYLE DESIGNATORLONG NECK TAPER POINT
POINT REMOVABILITYREMOVABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
PD5210-00-007-8229Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-501Interchangeable
interchangeable cross-reference
interchangeable
5724S14Interchangeable
interchangeable cross-reference
interchangeable
830012Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-501 TY1SZ18OZInterchangeable
interchangeable cross-reference
interchangeable
2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2178A1?
2178A1 is a PLUMB BOB.
What parts can replace 2178A1?
There are 22 known substitutes for 2178A1: PD5210-00-007-8229, GGG-P-501, 5724S14 and 19 more. Substitute compatibility should be verified for your specific system.
Is 2178A1 still available?
2178A1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026