PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SD56BSRivet,blind

L a Benson Company Incorporated, the · NSN 5320-01-172-5603 · FSC 5320 · No Item Name Available
Verified by PartsTable
NSN 5320-01-172-5603 — this item is cataloged by the U.S. Government under National Stock Number 5320-01-172-5603. Primary manufacturer part number: SD56BS.
Features
  • Rivet,blind — FSC 5320
  • Material: ALUMINUM OVERALL
  • Head Major Diameter: 0.312 INCHES NOMINAL IN
  • Grip Length: 0.251 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Head Style: OVAL/TRUSS
  • Shank Style: SELF-PLUGGING HIGH CLINCH SHANK
  • Expansion Device: BREAK STEM
  • Shank Diameter: 0.156 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Rivet,blind, cataloged under National Stock Number 5320-01-172-5603, is classified within Federal Supply Class 5320 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L a Benson Company Incorporated, the. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5320-01-172-5603
Primary Part NumberSD56BS
Item NameRivet,blind
FSC / FSG5320 / 53 — No Item Name Available
ManufacturerL a Benson Company Incorporated, the
StatusACTIVE
MaterialALUMINUM OVERALL
Head Major Diameter0.312 INCHES NOMINAL IN
Grip Length0.251 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Head StyleOVAL/TRUSS
Shank StyleSELF-PLUGGING HIGH CLINCH SHANK
Expansion DeviceBREAK STEM
Shank Diameter0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5320-00-850-3225 INTERCHANGEABLE
Rivet,blind
Cross-Reference Index
Part NumberManufacturer
SD56BS PRIMARY L a Benson Company Incorporated, the (USA)
Related Parts
5320-00-850-3225INTERCHANGEABLE
RIVET,BLIND

Frequently Asked Questions

What is NSN 5320-01-172-5603?

NSN 5320-01-172-5603 is a Rivet,blind, manufactured by L a Benson Company Incorporated, the, classified under FSC 5320 (No Item Name Available). Status: active.

What are the part numbers for NSN 5320-01-172-5603?

NSN 5320-01-172-5603 has 1 cross-referenced part number: SD56BS (L a Benson Company Incorporated, the).

What NSN replaces 5320-01-172-5603?

There is 1 known substitute for 5320-01-172-5603: 5320-00-850-3225. Verify interchangeability with system specifications before substitution.

What are the specifications of SD56BS?

Key specifications for SD56BS: Material: ALUMINUM OVERALL; Head Major Diameter: 0.312 INCHES NOMINAL IN; Grip Length: 0.251 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Head Style: OVAL/TRUSS. 7 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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