PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3ACap,post

Robertson Wire Products Co · NSN 5660-01-005-0680 · FSC 5660 · No Item Name Available
Verified by PartsTable
NSN 5660-01-005-0680 — this item is cataloged by the U.S. Government under National Stock Number 5660-01-005-0680. Primary manufacturer part number: 3A.
Features
  • Cap,post — FSC 5660
  • Material: ALUMINUM
  • Diameter: 2.375 INCHES NOMINAL IN
  • Post Shape: ROUND
  • Style Designator: DOME
  • 9 verified cross-references
  • Primary manufacturer: Robertson Wire Products Co
Applications
  • Applications requiring Aluminum construction
General Description

The Cap,post, cataloged under National Stock Number 5660-01-005-0680, is classified within Federal Supply Class 5660 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Robertson Wire Products Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5660-01-005-0680
Primary Part Number3A
Item NameCap,post
FSC / FSG5660 / 56 — No Item Name Available
ManufacturerRobertson Wire Products Co
StatusACTIVE
MaterialALUMINUM
Diameter2.375 INCHES NOMINAL IN
Post ShapeROUND
Style DesignatorDOME
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-175-8159539603-1 INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon
2940-00-354-0919148244 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
4820-00-595-18421152 INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5985-01-330-6151BC-4 INTERCHANGEABLE
Coupler,transmission Line
Smart Machines, Inc. Dba Barker and Williamson
4320-01-388-6903BC4 INTERCHANGEABLE
Cover,centrifugal Pump
Circor Naval Solutions Llc Dba Warren Pumps
5660-01-681-8149 INTERCHANGEABLE
Cap,post
Cross-Reference Index
Part NumberManufacturer
3A Robertson Wire Products Co (USA)
05047 Merchants Metals Inc (USA)
BA-T6 Cox Fence Fittings Co (USA)
A11-250 Chain Link Fence Corp Div of Midwest Fence Corp (USA)
DC250AL Guardian Fence Suppliers of S.c., Inc. (USA)
FA/0716 Guardian Fence Suppliers of S.c., Inc. (USA)
114 Semmerling Fence and Supply Inc (USA)
BC-4 Ameco Inc (USA)
3-LD Robertson Wire Products Co (USA)
Related Parts
5999-00-175-8159INTERCHANGEABLE
CONTACT,ELECTRICAL
539603-1
2940-00-354-0919INTERCHANGEABLE
FILTER ELEMENT,FLUID
148244
4820-00-595-1842INTERCHANGEABLE
VALVE,GATE
1152
5985-01-330-6151INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
BC-4
4320-01-388-6903INTERCHANGEABLE
COVER,CENTRIFUGAL PUMP
BC4
5660-01-681-8149INTERCHANGEABLE
CAP,POST

Frequently Asked Questions

What is NSN 5660-01-005-0680?

NSN 5660-01-005-0680 is a Cap,post, manufactured by Robertson Wire Products Co, classified under FSC 5660 (No Item Name Available). Status: active.

What are the part numbers for NSN 5660-01-005-0680?

NSN 5660-01-005-0680 has 9 cross-referenced part numbers: 3A (Robertson Wire Products Co), 05047 (Merchants Metals Inc), BA-T6 (Cox Fence Fittings Co), A11-250 (Chain Link Fence Corp Div of Midwest Fence Corp), DC250AL (Guardian Fence Suppliers of S.c., Inc.) and 4 more.

What NSN replaces 5660-01-005-0680?

There are 6 known substitutes for 5660-01-005-0680: 5999-00-175-8159, 2940-00-354-0919, 4820-00-595-1842 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3A?

Key specifications for 3A: Special Features: RUST RESISTANT CAST ALUMINUM FOR 2-1/2IN. ODPOST IN; Material: ALUMINUM; Diameter: 2.375 INCHES NOMINAL IN; Post Shape: ROUND. 5 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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