PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

963HWrench,socket

Martin Sprocket and Gear Inc · NSN 5120-00-224-2575 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-224-2575 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-224-2575. Primary manufacturer part number: 963H.
Features
  • Wrench,socket — FSC 5120
  • Wrenching Surface Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Style Designator: SINGLE SOCKET T
  • Features Provided: REMOVABLE HANDLE
  • 40 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,socket, cataloged under National Stock Number 5120-00-224-2575, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Martin Sprocket and Gear Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 40 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-224-2575
Primary Part Number963H
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerMartin Sprocket and Gear Inc
StatusACTIVE
Wrenching Surface ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorSINGLE SOCKET T
Features ProvidedREMOVABLE HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-261-5872 INTERCHANGEABLE
Suture,absorbable,surgical
Cross-Reference Index
Part NumberManufacturer
S4901H3163447REVAPC477 Naval Ship Systems Command (USA)
S4901H3163451REVAPC477 Naval Ship Systems Command (USA)
S4901H3163452REVBPC477 Naval Ship Systems Command (USA)
963H PRIMARY Martin Sprocket and Gear Inc (USA)
157011PC477 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
319-2200-1188233PCS4 Naval Ship Systems Command (USA)
3362-08PCS4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
313-2200-233505PCS4 Naval Ship Systems Command (USA)
S4901H3117722REV1PC477 Naval Ship Systems Command (USA)
157016PC477 Siemens Energy, Inc. Dba Dresser-Rand (USA)
3862-05ALT1PCS4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
157440PC477 Siemens Energy, Inc. Dba Dresser-Rand (USA)
365-2200-999928PCS4 Naval Ship Systems Command (USA)
S4901H3117718REV1PC477 Naval Ship Systems Command (USA)
36-3625 Martin Sprocket and Gear Inc (USA)
157016PC477 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
157011PC477 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
157435PC477 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
157439PC477 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
2065-71ALT4PCG3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
6515-01-261-5872INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL

Frequently Asked Questions

What is NSN 5120-00-224-2575?

NSN 5120-00-224-2575 is a Wrench,socket, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-224-2575?

NSN 5120-00-224-2575 has 40 cross-referenced part numbers: S4901H3163447REVAPC477 (Naval Ship Systems Command), S4901H3163451REVAPC477 (Naval Ship Systems Command), S4901H3163452REVBPC477 (Naval Ship Systems Command), 963H (Martin Sprocket and Gear Inc), 157011PC477 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions) and 35 more.

What NSN replaces 5120-00-224-2575?

There is 1 known substitute for 5120-00-224-2575: 6515-01-261-5872. Verify interchangeability with system specifications before substitution.

What are the specifications of 963H?

Key specifications for 963H: Wrenching Surface Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL; Surface Treatment: OXIDE OVERALL; Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 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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