PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7903056-02Key,socket Head Screw

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5120-01-128-0363 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-128-0363 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-128-0363. Primary manufacturer part number: 7903056-02.
Features
  • Key,socket Head Screw — FSC 5120
  • Blade Length: 10.000 INCHES NOMINAL IN
  • Surface Treatment: OXIDE WRENCHING SURFACE
  • Material: STEEL WRENCHING SURFACE
  • Wrenching Surface Size: 0.156 INCHES NOMINAL SINGLE END IN
  • Style Designator: SCREWDRIVER HANDLE
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Material: PLASTIC HANDLE
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 5120-01-128-0363, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. 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
NSN5120-01-128-0363
Primary Part Number7903056-02
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Blade Length10.000 INCHES NOMINAL IN
Surface TreatmentOXIDE WRENCHING SURFACE
MaterialSTEEL WRENCHING SURFACE
Wrenching Surface Size0.156 INCHES NOMINAL SINGLE END IN
Style DesignatorSCREWDRIVER HANDLE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
MaterialPLASTIC HANDLE
Features ProvidedBALL END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-00-059-27893710 INTERCHANGEABLE
Syringe and Needle,hypodermic
Labsource, Inc. Dba Labsource Inc
3030-00-528-4740 INTERCHANGEABLE
Belt,v
5975-00-636-0007509 INTERCHANGEABLE
Reducing Washer,knockout
GB Electrical Inc
6220-00-848-28533710 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Truck-Lite Co., Llc
5998-01-043-30943710 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
4910-01-201-7856 INTERCHANGEABLE
Reverse Disc Adapter
6625-01-377-80303710 INTERCHANGEABLE
Ohmmeter
Chauvin Arnoux Inc
4940-01-477-99333710 INTERCHANGEABLE
Hose Nipple,aircraf
Better Engineering Manufacturing Inc
6130-01-507-32193710 INTERCHANGEABLE
Power Supply Assembly
S C Electronics Inc
2940-01-573-45993710 INTERCHANGEABLE
Filter Element,intake Air Cleane
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
3710 Bondhus Corp (USA)
BS5/32-10INBLADE Bondhus Corp (USA)
7903056-02 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
6515-00-059-2789INTERCHANGEABLE
SYRINGE AND NEEDLE,HYPODERMIC
3710
3030-00-528-4740INTERCHANGEABLE
BELT,V
5975-00-636-0007INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
509
6220-00-848-2853INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
3710
5998-01-043-3094INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3710
4910-01-201-7856INTERCHANGEABLE
REVERSE DISC ADAPTER
6625-01-377-8030INTERCHANGEABLE
OHMMETER
3710
4940-01-477-9933INTERCHANGEABLE
HOSE NIPPLE,AIRCRAF
3710
6130-01-507-3219INTERCHANGEABLE
POWER SUPPLY ASSEMBLY
3710
2940-01-573-4599INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
3710
5120-01-632-6855INTERCHANGEABLE
WRENCH,OPEN END
4730-01-680-3984INTERCHANGEABLE
ADAPTER,PIPELINE
ILLZATTS0U12

Frequently Asked Questions

What is NSN 5120-01-128-0363?

NSN 5120-01-128-0363 is a Key,socket Head Screw, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-128-0363?

NSN 5120-01-128-0363 has 3 cross-referenced part numbers: 3710 (Bondhus Corp), BS5/32-10INBLADE (Bondhus Corp), 7903056-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 5120-01-128-0363?

There are 12 known substitutes for 5120-01-128-0363: 6515-00-059-2789, 3030-00-528-4740, 5975-00-636-0007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7903056-02?

Key specifications for 7903056-02: Blade Length: 10.000 INCHES NOMINAL IN; Overall Length: 13.000 INCHES NOMINAL IN; Surface Treatment: OXIDE WRENCHING SURFACE; Material: STEEL WRENCHING SURFACE. 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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