PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-K-275 TY7CL1Key,socket Head Screw

General Services Administration Federal Supply Service · NSN 5120-00-203-5107 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-203-5107 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-203-5107. Primary manufacturer part number: GGG-K-275 TY7CL1.
Features
  • Key,socket Head Screw — FSC 5120
  • Departure From Cited Designator: AS MODIFIED BY BLADE LENGTH
  • Surface Treatment: OXIDE WRENCHING SURFACE
  • Material: STEEL WRENCHING SURFACE
  • Style Designator: SCREWDRIVER HANDLE
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: PLASTIC HANDLE
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Wrenching Surface construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-203-5107, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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
NSN5120-00-203-5107
Primary Part NumberGGG-K-275 TY7CL1
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Departure From Cited DesignatorAS MODIFIED BY BLADE LENGTH
Surface TreatmentOXIDE WRENCHING SURFACE
MaterialSTEEL WRENCHING SURFACE
Style DesignatorSCREWDRIVER HANDLE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialPLASTIC HANDLE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Nondefinitive Spec/std Data1 TYPE
Wrenching Surface Size0.035 INCHES NOMINAL SINGLE END IN
Blade Length3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-061-634757400 INTERCHANGEABLE
Key,socket Head Screw
H-K Connecticut Holding Company
4730-00-063-7919 INTERCHANGEABLE
Clamp,hose
5120-00-107-0038 INTERCHANGEABLE
Key,socket Head Screw
5120-00-113-3432TMAL3E2 INTERCHANGEABLE
Bit,screwdriver
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-142-53335120-00-142-5333 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5950-00-155-050861660-013 INTERCHANGEABLE
Transformer,power
Dynalec Corporation
5120-00-177-73415120-00-177-7341 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5977-00-178-817626309 INTERCHANGEABLE
Brush,electrical Contact
Honeywell International Inc. Div Aerospace - Torrance
5120-00-224-2508 INTERCHANGEABLE
Key,socket Head Screw
4730-00-287-1027AS5195D1212 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
GGG-K-275 TY7CL1 General Services Administration Federal Supply Service (USA)
26309 Wiha Quality Tools (USA)
A-A-2926 TY1 General Services Administration Federal Supply Service (USA)
607 0.035 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
A-A-2926 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
74001 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
97581854 Msc Industrial Direct Co., Inc. (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B18.3 The American Society of Mechanical Engineers (USA)
0.035-607 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
Related Parts
5120-00-061-6347INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
57400
4730-00-063-7919INTERCHANGEABLE
CLAMP,HOSE
5120-00-107-0038INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-113-3432INTERCHANGEABLE
BIT,SCREWDRIVER
TMAL3E2
5120-00-142-5333INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-142-5333
5950-00-155-0508INTERCHANGEABLE
TRANSFORMER,POWER
61660-013
5120-00-177-7341INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-177-7341
5977-00-178-8176INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
26309
5120-00-224-2508INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4730-00-287-1027INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5195D1212
5120-00-288-8853INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-293-2219INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-00-203-5107?

NSN 5120-00-203-5107 is a Key,socket Head Screw, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-203-5107?

NSN 5120-00-203-5107 has 10 cross-referenced part numbers: GGG-K-275 TY7CL1 (General Services Administration Federal Supply Service), 26309 (Wiha Quality Tools), A-A-2926 TY1 (General Services Administration Federal Supply Service), 607 0.035 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), A-A-2926 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5120-00-203-5107?

There are 12 known substitutes for 5120-00-203-5107: 5120-00-061-6347, 4730-00-063-7919, 5120-00-107-0038 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-K-275 TY7CL1?

Key specifications for GGG-K-275 TY7CL1: Departure From Cited Designator: AS MODIFIED BY BLADE LENGTH; Surface Treatment: OXIDE WRENCHING SURFACE; Material: STEEL WRENCHING SURFACE; Style Designator: SCREWDRIVER HANDLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-203-5107 still in active supply?

NSN 5120-00-203-5107 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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