PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9SW321Socket,socket Wrench

Entoleter Inc · NSN 5120-00-189-7927 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7927 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7927. Primary manufacturer part number: 9SW321.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7927, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Entoleter Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-189-7927
Primary Part Number9SW321
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEntoleter Inc
StatusCANCELLED
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Special Markings1 IN. IN
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-189-7913 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7914 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7917 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7924 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7932 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7933 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7934 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7935 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7946 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7985 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
9SW321 Entoleter Inc (USA)
19326D Navistar International Corporation Dba Navistar (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
S-132 Herbrand Tools Corp (CAN)
41W3027 General Stores Supply Office (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
0394 1014 Blackwood J. Blackwood & Son Pty Ltd (AUS)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
9197536 Us Army Aviation and Missile Command (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
51201897927 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
11677025-7 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
ST-1232 Martin Sprocket and Gear Inc (USA)
ST-1232 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
97-3855 Martin Sprocket and Gear Inc (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1399 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
19326D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
11677025-7 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-189-7913INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7914INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7917INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7924INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7932INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7933INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7934INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7935INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7946INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7985INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3455-00-228-5294INTERCHANGEABLE
CUTTER,MILLING,END
15420
5120-00-235-5870INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-189-7927?

NSN 5120-00-189-7927 is a Socket,socket Wrench, manufactured by Entoleter Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-7927?

NSN 5120-00-189-7927 has 24 cross-referenced part numbers: 9SW321 (Entoleter Inc), 19326D (Navistar International Corporation Dba Navistar), GGG-W-641 TY2CL2STA (General Services Administration Federal Supply Service), S-132 (Herbrand Tools Corp), 41W3027 (General Stores Supply Office) and 19 more.

What NSN replaces 5120-00-189-7927?

There are 12 known substitutes for 5120-00-189-7927: 5120-00-189-7913, 5120-00-189-7914, 5120-00-189-7917 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9SW321?

Key specifications for 9SW321: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Features Provided: MANUAL TOOL; Material: STEEL OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7927 still in active supply?

NSN 5120-00-189-7927 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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