PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST-828Socket,socket Wrench

Trw Inc Hand Tools Div Trw Industrial Products Group · NSN 5120-00-199-7773 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-199-7773 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-199-7773. Primary manufacturer part number: ST-828.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Specification/standard Data: 05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Special Markings: 7/8 IN. IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-199-7773, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Trw Inc Hand Tools Div Trw Industrial Products Group. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-199-7773
Primary Part NumberST-828
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTrw Inc Hand Tools Div Trw Industrial Products Group
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size0.875 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Special Markings7/8 IN. IN
Nondefinitive Spec/std Data2 TYPE
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape8 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Wrenching End Opening Depth0.500 INCHES MINIMUM IN
Drive End Outside Diameter1.572 INCHES MAXIMUM IN
Wrenching End Outside Diameter1.523 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-180-1019 INTERCHANGEABLE
Socket,socket Wrench
5120-00-180-1020 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7911 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7912 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7772 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7774 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5844 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-8822 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-9503 INTERCHANGEABLE
Socket,socket Wrench
5120-01-023-6498TM410 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
ST-828 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 TY2CL3 General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
B107.1 TY2 General Services Administration Federal Supply Service (USA)
A-A-1397 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
TKEX3 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5120-00-180-1019INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-180-1020INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7911INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7912INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7772INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7774INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5844INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-8822INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-9503INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-023-6498INTERCHANGEABLE
SOCKET,SOCKET WRENCH
TM410

Frequently Asked Questions

What is NSN 5120-00-199-7773?

NSN 5120-00-199-7773 is a Socket,socket Wrench, manufactured by Trw Inc Hand Tools Div Trw Industrial Products Group, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-199-7773?

NSN 5120-00-199-7773 has 7 cross-referenced part numbers: ST-828 (Trw Inc Hand Tools Div Trw Industrial Products Group), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-W-641 TY2CL3 (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), B107.1 TY2 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-00-199-7773?

There are 10 known substitutes for 5120-00-199-7773: 5120-00-180-1019, 5120-00-180-1020, 5120-00-189-7911 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST-828?

Key specifications for ST-828: Drive End Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL; Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN; Style Designator: INTERNAL-INTERNAL. 15 total characteristics are documented in the Federal Logistics Information System.

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