PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21142Clamp,block,section

Science Applications International Corporation · NSN 5340-01-390-5170 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-390-5170 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-390-5170. Primary manufacturer part number: 21142.
Features
  • Clamp,block,section — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Science Applications International Corporation
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Clamp,block,section, cataloged under National Stock Number 5340-01-390-5170, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Science Applications International Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameClamp,block,section
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersScience Applications International Corporation (CAGE 60595)
Technical Specifications
ParameterValue
NSN5340-01-390-5170
Primary Part Number21142
Item NameClamp,block,section
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerScience Applications International Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5307-00-248-8292 INTERCHANGEABLE
Stud,plain
8030-00-262-9172000269172 INTERCHANGEABLE
Filler,wood
Defense Logistics Agency Dba Defense Supply Center Philadelphia
3110-00-363-736321142 INTERCHANGEABLE
Plate,retaining,bearing
Industrial Technologies and Services Llc
5940-00-767-4336 INTERCHANGEABLE
Terminal Board
5920-00-898-0400211-42 INTERCHANGEABLE
Fuse,cartridge
Hewlett-Packard Company Dba HP
5962-01-201-8035 INTERCHANGEABLE
Microcircuit,digital
5315-01-380-374421142 INTERCHANGEABLE
Pin,straight,headless
Leblond Ltd
3040-01-415-318221142-1002-1 INTERCHANGEABLE
Shaft,straight
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
7530-01-418-169021142 INTERCHANGEABLE
Book,appointment
Franklin Covey Co Government Group Products
Cross-Reference Index
Part NumberManufacturer
21142 PRIMARY Science Applications International Corporation (USA)
Related Parts
5307-00-248-8292INTERCHANGEABLE
STUD,PLAIN
8030-00-262-9172INTERCHANGEABLE
FILLER,WOOD
000269172
3110-00-363-7363INTERCHANGEABLE
PLATE,RETAINING,BEARING
21142
5940-00-767-4336INTERCHANGEABLE
TERMINAL BOARD
5920-00-898-0400INTERCHANGEABLE
FUSE,CARTRIDGE
211-42
5962-01-201-8035INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5315-01-380-3744INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
21142
3040-01-415-3182INTERCHANGEABLE
SHAFT,STRAIGHT
21142-1002-1
7530-01-418-1690INTERCHANGEABLE
BOOK,APPOINTMENT
21142

Frequently Asked Questions

What is NSN 5340-01-390-5170?

NSN 5340-01-390-5170 is a Clamp,block,section, manufactured by Science Applications International Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-390-5170?

NSN 5340-01-390-5170 has 1 cross-referenced part number: 21142 (Science Applications International Corporation).

What NSN replaces 5340-01-390-5170?

There are 9 known substitutes for 5340-01-390-5170: 5307-00-248-8292, 8030-00-262-9172, 3110-00-363-7363 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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