PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7571-04Inserter,screw Thread Insert

Stanley Engineered Fastening Llc · NSN 5120-01-588-6406 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-588-6406 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-588-6406. Primary manufacturer part number: 7571-04.
Features
  • Inserter,screw Thread Insert — FSC 5120
  • Thread Size and Series/type Designator: 4-40 UNIFIED NATIONAL COARSE (UNC)
  • 1 verified cross-reference
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Inserter,screw Thread Insert, cataloged under National Stock Number 5120-01-588-6406, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-588-6406
Primary Part Number7571-04
Item NameInserter,screw Thread Insert
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Thread Size and Series/type Designator4-40 UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-803-8516 INTERCHANGEABLE
Ring,retaining
6625-00-902-2596757-104 INTERCHANGEABLE
Meter,electrical Frequency
American Instrument Corp
Cross-Reference Index
Part NumberManufacturer
7571-04 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
5325-00-803-8516INTERCHANGEABLE
RING,RETAINING
6625-00-902-2596INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
757-104

Frequently Asked Questions

What is NSN 5120-01-588-6406?

NSN 5120-01-588-6406 is a Inserter,screw Thread Insert, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-588-6406?

NSN 5120-01-588-6406 has 1 cross-referenced part number: 7571-04 (Stanley Engineered Fastening Llc).

What NSN replaces 5120-01-588-6406?

There are 2 known substitutes for 5120-01-588-6406: 5325-00-803-8516, 6625-00-902-2596. Verify interchangeability with system specifications before substitution.

What are the specifications of 7571-04?

Key specifications for 7571-04: Special Features: FOR TANGLESS INSERTS; Thread Size and Series/type Designator: 4-40 UNIFIED NATIONAL COARSE (UNC). 2 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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