PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10903Key,socket Head Screw

Bondhus Corp · NSN 5120-01-230-0083 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-230-0083 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-230-0083. Primary manufacturer part number: 10903.
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 3.000 INCHES NOMINAL IN
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Features Provided: BALL END AND LONG SERIES
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 5120-01-230-0083, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5120-01-230-0083
Primary Part Number10903
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBondhus Corp
StatusACTIVE
Long Arm Length3.000 INCHES NOMINAL IN
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Features ProvidedBALL END AND LONG SERIES
Wrenching Surface Size0.063 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-061514434P11 INTERCHANGEABLE
Cup,tapered Roller Bearing
Taylor Machine Works Inc
5340-00-329-4421S200 INTERCHANGEABLE
Button,plug
Egs Electrical Group Appleton Div
5998-00-528-1218 INTERCHANGEABLE
Circuit Card Assembly
4140-00-943-4466 INTERCHANGEABLE
Fan,vaneaxial
4730-00-967-0627 INTERCHANGEABLE
Adapter,straight,pipe to Hose
6110-01-118-590514GP32AJ81 INTERCHANGEABLE
Starter,motor
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5977-01-126-882540D2424 INTERCHANGEABLE
Brush,electrical Contact
Globe Motors, Inc. Dba Allient Dayton
6505-01-225-911210903 INTERCHANGEABLE
Benztropine Mesylate Tablets
Goldline Laboratories, Inc. Dba Goldline Laboratories
5120-01-397-2962 INTERCHANGEABLE
Handle,socket Wrench
5340-01-451-754310903 INTERCHANGEABLE
Plunger,ball
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
10903 Bondhus Corp (USA)
B18.3 The American Society of Mechanical Engineers (USA)
BL1/16 Bondhus Corp (USA)
Related Parts
3110-00-100-0615INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
14434P11
5340-00-329-4421INTERCHANGEABLE
BUTTON,PLUG
S200
5998-00-528-1218INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4140-00-943-4466INTERCHANGEABLE
FAN,VANEAXIAL
4730-00-967-0627INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
6110-01-118-5905INTERCHANGEABLE
STARTER,MOTOR
14GP32AJ81
5977-01-126-8825INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
40D2424
6505-01-225-9112INTERCHANGEABLE
BENZTROPINE MESYLATE TABLETS
10903
5120-01-397-2962INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5340-01-451-7543INTERCHANGEABLE
PLUNGER,BALL
10903
6135-01-565-3284INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
10903
3040-01-595-6603INTERCHANGEABLE
WORM SHAFT
10903

Frequently Asked Questions

What is NSN 5120-01-230-0083?

NSN 5120-01-230-0083 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-230-0083?

NSN 5120-01-230-0083 has 3 cross-referenced part numbers: 10903 (Bondhus Corp), B18.3 (The American Society of Mechanical Engineers), BL1/16 (Bondhus Corp).

What NSN replaces 5120-01-230-0083?

There are 12 known substitutes for 5120-01-230-0083: 3110-00-100-0615, 5340-00-329-4421, 5998-00-528-1218 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10903?

Key specifications for 10903: Long Arm Length: 3.000 INCHES NOMINAL IN; Overall Length: 3.062 INCHES NOMINAL IN; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: OXIDE OVERALL. 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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