PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59158Inserter,screw Thread Insert

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5120-00-804-6055 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-804-6055 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-804-6055. Primary manufacturer part number: A-A-59158.
Features
  • Inserter,screw Thread Insert — FSC 5120
  • Unit Type: PREWINDER
  • Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Size and Series/type Designator: 5/16-18 UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 3 TYPE AND 1 CLASS AND A STYLE
  • 11 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Inserter,screw Thread Insert, cataloged under National Stock Number 5120-00-804-6055, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-804-6055
Primary Part NumberA-A-59158
Item NameInserter,screw Thread Insert
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Unit TypePREWINDER
Specification/standard Data0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Size and Series/type Designator5/16-18 UNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data3 TYPE AND 1 CLASS AND A STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2910-00-036-466975515 INTERCHANGEABLE
Plunger
Cooper Machinery Services Llc
5120-00-050-9731 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-237-4669 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-244-1710 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-672-8897HIT1220 INTERCHANGEABLE
Inserter,screw Thread Insert
Helical Wire Inc
5120-00-710-7435 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-710-7437 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-797-2402 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-797-2403 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-00-797-2404 INTERCHANGEABLE
Inserter,screw Thread Insert
Cross-Reference Index
Part NumberManufacturer
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS59158 Society of Automotive Engineers Inc (USA)
A-A-59158 TY3CL1STA General Services Administration Federal Supply Service (USA)
1005274-8 Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA)
AS59158 Sae International Dba Sae International (USA)
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0642 0202 Blackwood J. Blackwood & Son Pty Ltd (AUS)
AS59158 TY3CL1STA General Services Administration Federal Supply Service (USA)
3551-5 Stanley Engineered Fastening Llc (USA)
MIL-T-21309 TY3CL1STA General Services Administration Federal Supply Service (USA)
7551-5 Stanley Engineered Fastening Llc (USA)
Related Parts
2910-00-036-4669INTERCHANGEABLE
PLUNGER
75515
5120-00-050-9731INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-237-4669INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-244-1710INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-672-8897INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
HIT1220
5120-00-710-7435INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-710-7437INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-797-2402INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-797-2403INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-797-2404INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-797-2405INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-00-797-2407INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT

Frequently Asked Questions

What is NSN 5120-00-804-6055?

NSN 5120-00-804-6055 is a Inserter,screw Thread Insert, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-804-6055?

NSN 5120-00-804-6055 has 11 cross-referenced part numbers: A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AS59158 (Society of Automotive Engineers Inc), A-A-59158 TY3CL1STA (General Services Administration Federal Supply Service), 1005274-8 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), AS59158 (Sae International Dba Sae International) and 6 more.

What NSN replaces 5120-00-804-6055?

There are 12 known substitutes for 5120-00-804-6055: 2910-00-036-4669, 5120-00-050-9731, 5120-00-237-4669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59158?

Key specifications for A-A-59158: Unit Type: PREWINDER; Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Thread Size and Series/type Designator: 5/16-18 UNIFIED NATIONAL COARSE (UNC); Nondefinitive Spec/std Data: 3 TYPE AND 1 CLASS AND A STYLE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-804-6055 still in active supply?

NSN 5120-00-804-6055 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.
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