PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

724-12Inserter,screw Thread Insert

Stanley Engineered Fastening Llc · NSN 5120-00-804-6053 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-804-6053 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-804-6053. Primary manufacturer part number: 724-12.
Features
  • Inserter,screw Thread Insert — FSC 5120
  • Unit Type: MANDREL
  • Thread Size and Series/type Designator: 3/4-10 UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 3 TYPE AND 2 CLASS AND B STYLE
  • Specification/standard Data: 81343-AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 13 verified cross-references
  • 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 5120-00-804-6053, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-804-6053
Primary Part Number724-12
Item NameInserter,screw Thread Insert
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusCANCELLED
Unit TypeMANDREL
Thread Size and Series/type Designator3/4-10 UNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data3 TYPE AND 2 CLASS AND B STYLE
Specification/standard Data81343-AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2805-00-424-548718-146 INTERCHANGEABLE
Ring,piston
Dresser Industries Inc Leroi Div
5120-00-555-9497 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-804-6052 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-804-6054 INTERCHANGEABLE
Inserter,screw Thread Insert
5895-00-990-654272412 INTERCHANGEABLE
Cover,electronic Communication E
Textron Lycoming Inc Williamsport Plant
5120-01-032-40503724-20 INTERCHANGEABLE
Inserter,screw Thread Insert
Stanley Engineered Fastening Llc
5120-01-591-9037 INTERCHANGEABLE
Inserter,screw Thread Insert
Cross-Reference Index
Part NumberManufacturer
724-12 Stanley Engineered Fastening Llc (USA)
MIL-T-21309 TY3CL2STB General Services Administration Federal Supply Service (USA)
AS59158 TY3CL2STB Society of Automotive Engineers Inc (USA)
AS59158 TY3CL2STB Sae International Dba Sae International (USA)
724-12N Stanley Engineered Fastening Llc (USA)
AS59158 Sae International Dba Sae International (USA)
A-A-59158 TY3CL2STB General Services Administration Federal Supply Service (USA)
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1005284-4 Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS59158 Society of Automotive Engineers Inc (USA)
528-12N Stanley Engineered Fastening Llc (USA)
3724-12 Stanley Engineered Fastening Llc (USA)
Related Parts
2805-00-424-5487INTERCHANGEABLE
RING,PISTON
18-146
5120-00-555-9497INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-804-6052INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-804-6054INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5895-00-990-6542INTERCHANGEABLE
COVER,ELECTRONIC COMMUNICATION E
72412
5120-01-032-4050INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
3724-20
5120-01-591-9037INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT

Frequently Asked Questions

What is NSN 5120-00-804-6053?

NSN 5120-00-804-6053 is a Inserter,screw Thread Insert, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-804-6053?

NSN 5120-00-804-6053 has 13 cross-referenced part numbers: 724-12 (Stanley Engineered Fastening Llc), MIL-T-21309 TY3CL2STB (General Services Administration Federal Supply Service), AS59158 TY3CL2STB (Society of Automotive Engineers Inc), AS59158 TY3CL2STB (Sae International Dba Sae International), 724-12N (Stanley Engineered Fastening Llc) and 8 more.

What NSN replaces 5120-00-804-6053?

There are 7 known substitutes for 5120-00-804-6053: 2805-00-424-5487, 5120-00-555-9497, 5120-00-804-6052 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 724-12?

Key specifications for 724-12: Unit Type: MANDREL; Thread Size and Series/type Designator: 3/4-10 UNIFIED NATIONAL COARSE (UNC); Nondefinitive Spec/std Data: 3 TYPE AND 2 CLASS AND B STYLE; Specification/standard Data: 81343-AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-804-6053 still in active supply?

NSN 5120-00-804-6053 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com