PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00553724Socket,socket Wrench

Blackwood J. Blackwood & Son Pty Ltd · NSN 5120-00-239-0017 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-239-0017 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-239-0017. Primary manufacturer part number: 00553724.
Features
  • Socket,socket Wrench — FSC 5120
  • Special Markings: WRENCH SIZE
  • Surface Treatment: CHROMIUM OVERALL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-239-0017, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Blackwood J. Blackwood & Son Pty Ltd. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-239-0017
Primary Part Number00553724
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBlackwood J. Blackwood & Son Pty Ltd
StatusCANCELLED
Special MarkingsWRENCH SIZE
Surface TreatmentCHROMIUM OVERALL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5120-00-235-5809 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5879 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0018 INTERCHANGEABLE
Socket,socket Wrench
5120-00-241-3185 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-1463FDS121 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1464 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-4252 INTERCHANGEABLE
Socket,socket Wrench
5120-00-596-0836 INTERCHANGEABLE
Socket,socket Wrench
5120-00-935-7441 INTERCHANGEABLE
Socket,socket Wrench
5120-01-661-6715SF181 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
00553724 Blackwood J. Blackwood & Son Pty Ltd (AUS)
BD-1218 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
10394794-1 Us Army Aviation and Missile Command (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
841329 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
B107.1 The American Society of Mechanical Engineers (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
SF181 Sna Germany Gmbh (DEU)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1403 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
G41W2999-135 Department of the Navy (USA)
S38-916 Jbs Tools (AUS)
AS954 Sae International Dba Sae International (USA)
323018S King Tony Tools Co., Ltd
Related Parts
5120-00-235-5809INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5879INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0018INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-241-3185INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-1463INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FDS121
5120-00-277-1464INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-4252INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-596-0836INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-935-7441INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-661-6715INTERCHANGEABLE
SOCKET,SOCKET WRENCH
SF181

Frequently Asked Questions

What is NSN 5120-00-239-0017?

NSN 5120-00-239-0017 is a Socket,socket Wrench, manufactured by Blackwood J. Blackwood & Son Pty Ltd, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-239-0017?

NSN 5120-00-239-0017 has 16 cross-referenced part numbers: 00553724 (Blackwood J. Blackwood & Son Pty Ltd), BD-1218 (Trw Inc Hand Tools Div Trw Industrial Products Group), 10394794-1 (Us Army Aviation and Missile Command), B107.1 TY1CL2 (General Services Administration Federal Supply Service), 841329 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate) and 11 more.

What NSN replaces 5120-00-239-0017?

There are 10 known substitutes for 5120-00-239-0017: 5120-00-235-5809, 5120-00-235-5879, 5120-00-239-0018 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00553724?

Key specifications for 00553724: Special Markings: WRENCH SIZE; Surface Treatment: CHROMIUM OVERALL; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Style Designator: INTERNAL-INTERNAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-239-0017 still in active supply?

NSN 5120-00-239-0017 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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