PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-177-7341Key,socket Head Screw

General Services Administration Federal Supply Service · NSN 5120-00-177-7341 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Size: 0.141 INCHES NOMINAL SINGLE END IN
  • Style Designator: SCREWDRIVER HANDLE
  • Material: STEEL WRENCHING SURFACE
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Material: PLASTIC HANDLE
  • Surface Treatment: OXIDE OVERALL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 5120-00-177-7341, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-177-7341
Primary Part Number5120-00-177-7341
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Wrenching Surface Size0.141 INCHES NOMINAL SINGLE END IN
Style DesignatorSCREWDRIVER HANDLE
MaterialSTEEL WRENCHING SURFACE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
MaterialPLASTIC HANDLE
Surface TreatmentOXIDE OVERALL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Blade Length3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-061-634757400 INTERCHANGEABLE
Key,socket Head Screw
H-K Connecticut Holding Company
5815-00-127-203074008 INTERCHANGEABLE
Roller
Telemechanics Inc
3455-00-140-8971 INTERCHANGEABLE
File,rotary
2995-00-147-487874008 INTERCHANGEABLE
Lockplate
Textron Lycoming Inc Williamsport Plant
5955-00-162-9555 INTERCHANGEABLE
Oscillator,crystal Controlled
5120-00-203-5107 INTERCHANGEABLE
Key,socket Head Screw
5120-00-224-2508 INTERCHANGEABLE
Key,socket Head Screw
4730-00-287-1024AS5195W0806 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5120-00-288-8853 INTERCHANGEABLE
Key,socket Head Screw
5120-00-293-2219 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
74008 Oceta (FRA)
N964M0D The Boeing Company Div Defense (USA)
57416 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
74008 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
57416 Apex Tool Group, Llc Dba Nicholson (USA)
74008 Fct-Electronic Gmbh (DEU)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5120-00-177-7341 PRIMARY General Services Administration Federal Supply Service (USA)
993D633-23 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
580R122H14 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
74008 Glenair Uk Ltd (GBR)
607 9/64 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
GGG-K-275 TY7CL1 General Services Administration Federal Supply Service (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-061-6347INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
57400
5815-00-127-2030INTERCHANGEABLE
ROLLER
74008
3455-00-140-8971INTERCHANGEABLE
FILE,ROTARY
2995-00-147-4878INTERCHANGEABLE
LOCKPLATE
74008
5955-00-162-9555INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
5120-00-203-5107INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-224-2508INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4730-00-287-1024INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5195W0806
5120-00-288-8853INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-293-2219INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-293-2243INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-293-9204INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-00-177-7341?

NSN 5120-00-177-7341 is a Key,socket Head Screw, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-177-7341?

NSN 5120-00-177-7341 has 14 cross-referenced part numbers: 74008 (Oceta), N964M0D (The Boeing Company Div Defense), 57416 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 74008 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), 57416 (Apex Tool Group, Llc Dba Nicholson) and 9 more.

What NSN replaces 5120-00-177-7341?

There are 12 known substitutes for 5120-00-177-7341: 5120-00-061-6347, 5815-00-127-2030, 3455-00-140-8971 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-177-7341?

Key specifications for 5120-00-177-7341: Wrenching Surface Size: 0.141 INCHES NOMINAL SINGLE END IN; Style Designator: SCREWDRIVER HANDLE; Material: STEEL WRENCHING SURFACE; Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL. 9 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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