PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56046Key,socket Head Screw

H-K Connecticut Holding Company · NSN 5120-00-104-1860 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-104-1860 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-104-1860. Primary manufacturer part number: 56046.
Features
  • Key,socket Head Screw — FSC 5120
  • Surface Treatment: OXIDE OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Features Provided: REPLACEABLE WRENCHING FEATURE
  • Style Designator: TEE HANDLE
  • Wrenching Surface Size: 0.109 INCHES NOMINAL SINGLE END IN
  • 6 verified cross-references
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 5120-00-104-1860, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-104-1860
Primary Part Number56046
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerH-K Connecticut Holding Company
StatusACTIVE
Surface TreatmentOXIDE OVERALL
MaterialSTEEL OVERALL
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Features ProvidedREPLACEABLE WRENCHING FEATURE
Style DesignatorTEE HANDLE
Wrenching Surface Size0.109 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6620-00-145-67777800-6D INTERCHANGEABLE
Adapter,engine Pressure Transmit
Peerless of America Inc
4730-00-537-22098332727 INTERCHANGEABLE
Flange,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-541-90812045-6-6S INTERCHANGEABLE
Coupling,pipe
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
4730-00-564-95273/8MMS-S INTERCHANGEABLE
Tee,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
6645-00-831-6826 INTERCHANGEABLE
Meter,time Totalizing
5998-01-083-1572 INTERCHANGEABLE
Circuit Card Assembly
3010-01-139-9691 INTERCHANGEABLE
Coupling,shaft,rigid
2510-01-264-412088945324 INTERCHANGEABLE
Shock Absorber,direct Action
General Motors Llc Dba General Motors Llc
5940-01-279-3814 INTERCHANGEABLE
Terminal Board
5915-01-503-8267PARTS LIST 55283 IT. 20 INTERCHANGEABLE
Filter,radio Frequency Interfere
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
GGG-K-275 TY6STA General Services Administration Federal Supply Service (USA)
56046 PRIMARY H-K Connecticut Holding Company (USA)
78006 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
609 7/64 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
2301317 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6620-00-145-6777INTERCHANGEABLE
ADAPTER,ENGINE PRESSURE TRANSMIT
7800-6D
4730-00-537-2209INTERCHANGEABLE
FLANGE,PIPE
8332727
4730-00-541-9081INTERCHANGEABLE
COUPLING,PIPE
2045-6-6S
4730-00-564-9527INTERCHANGEABLE
TEE,PIPE
3/8MMS-S
6645-00-831-6826INTERCHANGEABLE
METER,TIME TOTALIZING
5998-01-083-1572INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3010-01-139-9691INTERCHANGEABLE
COUPLING,SHAFT,RIGID
2510-01-264-4120INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
88945324
5940-01-279-3814INTERCHANGEABLE
TERMINAL BOARD
5915-01-503-8267INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
PARTS LIST 55283 IT. 20
5330-01-711-1863INTERCHANGEABLE
SEAL RING,METAL
78006

Frequently Asked Questions

What is NSN 5120-00-104-1860?

NSN 5120-00-104-1860 is a Key,socket Head Screw, manufactured by H-K Connecticut Holding Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-104-1860?

NSN 5120-00-104-1860 has 6 cross-referenced part numbers: GGG-K-275 TY6STA (General Services Administration Federal Supply Service), 56046 (H-K Connecticut Holding Company), 78006 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), GGG-K-275 (Federal Specifications Promulgated by General Services Administration Washington DC), 609 7/64 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co) and 1 more.

What NSN replaces 5120-00-104-1860?

There are 11 known substitutes for 5120-00-104-1860: 6620-00-145-6777, 4730-00-537-2209, 4730-00-541-9081 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56046?

Key specifications for 56046: Surface Treatment: OXIDE OVERALL; Material: STEEL OVERALL; Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL; Features Provided: REPLACEABLE WRENCHING FEATURE. 8 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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