PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20599Key Set,socket Head Screw

Bondhus Corp · NSN 5120-01-623-5288 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-623-5288 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-623-5288. Primary manufacturer part number: 20599.
Features
  • Key Set,socket Head Screw — FSC 5120
  • Container Type: INDEX HOLDER
  • Handle Type: L-STYLE
  • Key Quantity: 22
  • Features Provided: BALL END
  • Key Characteristic: CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 AND 3/8 IN.; 1.5, 2, 2.5, 3, 4, 5, 6, 8 AND 10MM MM
  • Material: STEEL
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-01-623-5288, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bondhus Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-623-5288
Primary Part Number20599
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Container TypeINDEX HOLDER
Handle TypeL-STYLE
Key Quantity22
Features ProvidedBALL END
Key CharacteristicCONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 AND 3/8 IN.; 1.5, 2, 2.5, 3, 4, 5, 6, 8 AND 10MM MM
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-311-82011472 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace, Llc Dba Jackson South
5950-00-708-8388 INTERCHANGEABLE
Transformer,pulse
5330-00-797-838920599 INTERCHANGEABLE
Packing,preformed
Eaton Corporation Div Eaton Fluid Power
5330-01-211-505820596 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1650-01-434-900220599 INTERCHANGEABLE
Head,linear Actuating Cylinder
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20599 PRIMARY Bondhus Corp (USA)
204SC222 Techni-Tool, Inc. (USA)
Related Parts
3120-00-311-8201INTERCHANGEABLE
BEARING,SLEEVE
1472
5950-00-708-8388INTERCHANGEABLE
TRANSFORMER,PULSE
5330-00-797-8389INTERCHANGEABLE
PACKING,PREFORMED
20599
5330-01-211-5058INTERCHANGEABLE
SEAL,PLAIN ENCASED
20596
1650-01-434-9002INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
20599

Frequently Asked Questions

What is NSN 5120-01-623-5288?

NSN 5120-01-623-5288 is a Key Set,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-623-5288?

NSN 5120-01-623-5288 has 2 cross-referenced part numbers: 20599 (Bondhus Corp), 204SC222 (Techni-Tool, Inc.).

What NSN replaces 5120-01-623-5288?

There are 5 known substitutes for 5120-01-623-5288: 3120-00-311-8201, 5950-00-708-8388, 5330-00-797-8389 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20599?

Key specifications for 20599: Container Type: INDEX HOLDER; Handle Type: L-STYLE; Key Quantity: 22; Special Features: STUBBY SHORT ARMS. 7 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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