PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6371Crowfoot Attachment,socket Wrenc

Wta Tool Llc · NSN 5120-00-812-4233 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-812-4233 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-812-4233. Primary manufacturer part number: 6371.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Lug Thickness: 0.227 INCHES NOMINAL IN
  • Wrenching Surface Shape: ROUND SINGLE END INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 4.215 INCHES NOMINAL SINGLE END IN
  • Opening Diameter: 4.215 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-812-4233, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wta Tool Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5120-00-812-4233
Primary Part Number6371
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWta Tool Llc
StatusACTIVE
Lug Thickness0.227 INCHES NOMINAL IN
Wrenching Surface ShapeROUND SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Size4.215 INCHES NOMINAL SINGLE END IN
Opening Diameter4.215 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-050-5527 INTERCHANGEABLE
Pin,straight,headless
5340-00-163-26136371 INTERCHANGEABLE
Bumper
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
8345-00-233-2958 INTERCHANGEABLE
Flag,national
6150-00-249-69156371 INTERCHANGEABLE
Lead,storage Battery
893 Mfg, Llc
5310-00-262-2305 INTERCHANGEABLE
Washer,flat
5910-00-479-6665 INTERCHANGEABLE
Capacitor,variable,air Dielectri
2040-00-937-5904 INTERCHANGEABLE
Connection,hull
5330-01-035-18056371 INTERCHANGEABLE
Gasket
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4730-01-056-88031106-1 INTERCHANGEABLE
Tee,pipe
Grinnell Corp
5950-01-240-6454648Z1474-1 INTERCHANGEABLE
Transformer,radio Frequency
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Cross-Reference Index
Part NumberManufacturer
6371 PRIMARY Wta Tool Llc (USA)
6371 Granco Industries Inc (USA)
H9464A Stanley-Proto Industrial Works Div of the Stanley Works (USA)
GIT6371 Granco Industries Inc (USA)
Related Parts
5315-00-050-5527INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5340-00-163-2613INTERCHANGEABLE
BUMPER
6371
8345-00-233-2958INTERCHANGEABLE
FLAG,NATIONAL
6150-00-249-6915INTERCHANGEABLE
LEAD,STORAGE BATTERY
6371
5310-00-262-2305INTERCHANGEABLE
WASHER,FLAT
5910-00-479-6665INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
2040-00-937-5904INTERCHANGEABLE
CONNECTION,HULL
5330-01-035-1805INTERCHANGEABLE
GASKET
6371
4730-01-056-8803INTERCHANGEABLE
TEE,PIPE
1106-1
5950-01-240-6454INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
648Z1474-1
5950-01-279-8163INTERCHANGEABLE
REACTOR
5985-01-329-7762INTERCHANGEABLE
WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5120-00-812-4233?

NSN 5120-00-812-4233 is a Crowfoot Attachment,socket Wrenc, manufactured by Wta Tool Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-812-4233?

NSN 5120-00-812-4233 has 4 cross-referenced part numbers: 6371 (Wta Tool Llc), 6371 (Granco Industries Inc), H9464A (Stanley-Proto Industrial Works Div of the Stanley Works), GIT6371 (Granco Industries Inc).

What NSN replaces 5120-00-812-4233?

There are 12 known substitutes for 5120-00-812-4233: 5315-00-050-5527, 5340-00-163-2613, 8345-00-233-2958 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6371?

Key specifications for 6371: Lug Thickness: 0.227 INCHES NOMINAL IN; Wrenching Surface Shape: ROUND SINGLE END INTERNAL; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 6 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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