PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10304Socket,wrench,face Spanner

Drs C3 & Aviation Company Dba Drs Data & Imaging Systems · NSN 5120-00-978-9812 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-978-9812 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-978-9812. Primary manufacturer part number: 10304.
Features
  • Socket,wrench,face Spanner — FSC 5120
  • Large End Outside Diameter: 1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Opening Diameter: 0.820 INCHES NOMINAL IN
  • Pin Diameter: 0.062 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: ANODIZE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
Applications
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-00-978-9812, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Drs C3 & Aviation Company Dba Drs Data & Imaging Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-00-978-9812
Primary Part Number10304
Item NameSocket,wrench,face Spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerDrs C3 & Aviation Company Dba Drs Data & Imaging Systems
StatusACTIVE
Large End Outside Diameter1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Opening Diameter0.820 INCHES NOMINAL IN
Pin Diameter0.062 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Angle Between Pins90.0 DEGREES NOMINAL
Small End Outside Diameter0.865 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
Drive Surface Size0.260 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-141-4074 INTERCHANGEABLE
Insulator,disk
5998-00-224-254310304 INTERCHANGEABLE
Printed Wiring Board
L3harris Mas Inc Div L3harris Mas Inc.
5999-00-247-7527SC-B-69870 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-00-336-5331SMS-SL4275-64 INTERCHANGEABLE
Sleeve,shaft,pump
Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc
2825-00-390-132110303 INTERCHANGEABLE
Disk,hand Valve
Northrop Grumman Systems Corporation Div Marine Systems
6145-00-444-38530N09571 INTERCHANGEABLE
Cable,special Purpose,electrical
National Security Agency
5305-00-521-8638 INTERCHANGEABLE
Screw,machine
8040-00-579-915810-304 INTERCHANGEABLE
Adhesive
Gc/waldom Inc
4210-00-725-9234 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
5915-00-837-186410304 INTERCHANGEABLE
Filter,radio Frequency Interfere
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
10304 PRIMARY Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (USA)
Related Parts
5970-00-141-4074INTERCHANGEABLE
INSULATOR,DISK
5998-00-224-2543INTERCHANGEABLE
PRINTED WIRING BOARD
10304
5999-00-247-7527INTERCHANGEABLE
CONTACT,ELECTRICAL
SC-B-69870
4320-00-336-5331INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
SMS-SL4275-64
2825-00-390-1321INTERCHANGEABLE
DISK,HAND VALVE
10303
6145-00-444-3853INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
0N09571
5305-00-521-8638INTERCHANGEABLE
SCREW,MACHINE
8040-00-579-9158INTERCHANGEABLE
ADHESIVE
10-304
4210-00-725-9234INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
5915-00-837-1864INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
10304
5133-00-837-7595INTERCHANGEABLE
DRILL,TWIST
5660-01-021-6356INTERCHANGEABLE
BRACE,BAND,FENCE

Frequently Asked Questions

What is NSN 5120-00-978-9812?

NSN 5120-00-978-9812 is a Socket,wrench,face Spanner, manufactured by Drs C3 & Aviation Company Dba Drs Data & Imaging Systems, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-978-9812?

NSN 5120-00-978-9812 has 1 cross-referenced part number: 10304 (Drs C3 & Aviation Company Dba Drs Data & Imaging Systems).

What NSN replaces 5120-00-978-9812?

There are 12 known substitutes for 5120-00-978-9812: 5970-00-141-4074, 5998-00-224-2543, 5999-00-247-7527 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10304?

Key specifications for 10304: Large End Outside Diameter: 1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Opening Diameter: 0.820 INCHES NOMINAL IN; Pin Diameter: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 11 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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