PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4030031Tightener,load

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5120-01-172-8079 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-172-8079 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-172-8079. Primary manufacturer part number: B4030031.
Features
  • Tightener,load — FSC 5120
  • General Characteristics Item Description: STAINLESS STEEL; POLISHED; 2 IN. W X 2 IN. L X 1/16 IN. THK IN
  • Purchase Description Identification: 80063-B4030031
  • 2 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Tightener,load, cataloged under National Stock Number 5120-01-172-8079, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-172-8079
Primary Part NumberB4030031
Item NameTightener,load
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL; POLISHED; 2 IN. W X 2 IN. L X 1/16 IN. THK IN
Purchase Description Identification80063-B4030031
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6145-00-060-2476 INTERCHANGEABLE
Wire,electrical
6640-00-275-0748 INTERCHANGEABLE
Box,sample,laboratory
5120-00-277-1260 INTERCHANGEABLE
Wrench,open End
5330-00-425-095613595-6691 INTERCHANGEABLE
Packing,preformed
Cashco Inc
5310-01-350-0416 INTERCHANGEABLE
Nut,plain,cap
5950-01-396-1104654E4691-650 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
4320-01-440-74273038K444 INTERCHANGEABLE
Pump Unit,centrifugal
Wilo Usa Llc
4320-01-440-76223038K410 INTERCHANGEABLE
Pump,centrifugal
Wilo Usa Llc
6520-01-561-5415900-7599 INTERCHANGEABLE
Cutter,wire,dental
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
B4030031 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
6691 PRIMARY Huntington Partners, Inc. Dba Continental Tool & Mfg. (USA)
Related Parts
6145-00-060-2476INTERCHANGEABLE
WIRE,ELECTRICAL
6640-00-275-0748INTERCHANGEABLE
BOX,SAMPLE,LABORATORY
5120-00-277-1260INTERCHANGEABLE
WRENCH,OPEN END
5330-00-425-0956INTERCHANGEABLE
PACKING,PREFORMED
13595-6691
5310-01-350-0416INTERCHANGEABLE
NUT,PLAIN,CAP
5950-01-396-1104INTERCHANGEABLE
TRANSFORMER,POWER
654E4691-650
4320-01-440-7427INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
3038K444
4320-01-440-7622INTERCHANGEABLE
PUMP,CENTRIFUGAL
3038K410
6520-01-561-5415INTERCHANGEABLE
CUTTER,WIRE,DENTAL
900-7599

Frequently Asked Questions

What is NSN 5120-01-172-8079?

NSN 5120-01-172-8079 is a Tightener,load, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-172-8079?

NSN 5120-01-172-8079 has 2 cross-referenced part numbers: B4030031 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 6691 (Huntington Partners, Inc. Dba Continental Tool & Mfg.).

What NSN replaces 5120-01-172-8079?

There are 9 known substitutes for 5120-01-172-8079: 6145-00-060-2476, 6640-00-275-0748, 5120-00-277-1260 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4030031?

Key specifications for B4030031: General Characteristics Item Description: STAINLESS STEEL; POLISHED; 2 IN. W X 2 IN. L X 1/16 IN. THK IN; Purchase Description Identification: 80063-B4030031; End Item Identification: NSN 5180-00-064-5178 TOOL KIT TK-101/G. 3 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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