PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-288-9085Key,socket Head Screw

General Services Administration Federal Supply Service · NSN 5120-00-288-9085 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
  • Short Arm Length: 0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.048 INCHES NOMINAL BOTH ENDS IN
  • 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 Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-288-9085, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-288-9085
Primary Part Number5120-00-288-9085
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Long Arm Length1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
Short Arm Length0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Wrenching Surface ShapeSPLINE BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Wrenching Surface Size0.048 INCHES NOMINAL BOTH ENDS IN
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Flute Quantity6
Features ProvidedSHORT SERIES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5120-00-224-2482 INTERCHANGEABLE
Key,socket Head Screw
5120-00-224-2496 INTERCHANGEABLE
Key,socket Head Screw
5120-00-277-1724 INTERCHANGEABLE
Key,socket Head Screw
5120-00-293-0195 INTERCHANGEABLE
Key,socket Head Screw
5120-00-529-2553 INTERCHANGEABLE
Key Set,socket Head Screw
5120-00-781-8977 INTERCHANGEABLE
Key,socket Head Screw
5120-00-832-6216 INTERCHANGEABLE
Key,socket Head Screw
5120-00-893-5686 INTERCHANGEABLE
Key Set,socket Head Screw
5120-00-970-8947 INTERCHANGEABLE
Key Set,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
1079 Wta Tool Llc (USA)
S-048-6 Mahalo Industries Inc Dba Bristol Wrench Co. (USA)
1079 Granco Industries Inc (USA)
5120-00-288-9085 PRIMARY General Services Administration Federal Supply Service (USA)
658-0001-002 Bfgoodrich Aerospace Component Overhaul and Repair Inc (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-2925 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-2473 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
658-0001-002 Acron Aviation, Inc. (USA)
GGG-K-275 TY2CL1 General Services Administration Federal Supply Service (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-224-2482INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-224-2496INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-277-1724INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-293-0195INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-529-2553INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
5120-00-781-8977INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-832-6216INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-893-5686INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
5120-00-970-8947INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-00-288-9085?

NSN 5120-00-288-9085 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 5120-00-288-9085?

NSN 5120-00-288-9085 has 11 cross-referenced part numbers: 1079 (Wta Tool Llc), S-048-6 (Mahalo Industries Inc Dba Bristol Wrench Co.), 1079 (Granco Industries Inc), 5120-00-288-9085 (General Services Administration Federal Supply Service), 658-0001-002 (Bfgoodrich Aerospace Component Overhaul and Repair Inc) and 6 more.

What NSN replaces 5120-00-288-9085?

There are 9 known substitutes for 5120-00-288-9085: 5120-00-224-2482, 5120-00-224-2496, 5120-00-277-1724 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-288-9085?

Key specifications for 5120-00-288-9085: Long Arm Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Overall Length: 1.267 INCHES NOMINAL IN; Short Arm Length: 0.250 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-288-9085 still in active supply?

NSN 5120-00-288-9085 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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