PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4914Crowfoot Attachment,socket Wrenc

Stanley-Proto Industrial Works Div of the Stanley Works · NSN 5120-00-535-1640 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-535-1640 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-535-1640. Primary manufacturer part number: 4914.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Wrenching Surface Size: 0.438 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: OPEN END
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-535-1640, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley-Proto Industrial Works Div of the Stanley Works. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-535-1640
Primary Part Number4914
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley-Proto Industrial Works Div of the Stanley Works
StatusACTIVE
Wrenching Surface Size0.438 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Style DesignatorOPEN END
MaterialSTEEL OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5355-00-180-5092 INTERCHANGEABLE
Knob
5950-00-200-9983666230-343 INTERCHANGEABLE
Coil,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
3040-00-214-3709 INTERCHANGEABLE
Gearshaft,helical
4730-00-433-2657148-32004 INTERCHANGEABLE
Adapter,straight,tube to Hose
Hydrasearch Company, Llc
4820-00-805-422741-222-04 INTERCHANGEABLE
Cock,plug
Aalberts Integrated Piping Systems Americas, Inc.
5905-00-824-3915RCS100 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3110-00-967-1284 INTERCHANGEABLE
Bearing,ball,thrust
5985-01-497-97354914 INTERCHANGEABLE
Isolator,radio Frequency Reflect
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
3040-01-498-39914914 INTERCHANGEABLE
Lever,manual Control
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
4914 Stanley-Proto Industrial Works Div of the Stanley Works (USA)
4914 Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA)
Related Parts
5355-00-180-5092INTERCHANGEABLE
KNOB
5950-00-200-9983INTERCHANGEABLE
COIL,RADIO FREQUENCY
666230-343
3040-00-214-3709INTERCHANGEABLE
GEARSHAFT,HELICAL
4730-00-433-2657INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
148-32004
4820-00-805-4227INTERCHANGEABLE
COCK,PLUG
41-222-04
5905-00-824-3915INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
RCS100
3110-00-967-1284INTERCHANGEABLE
BEARING,BALL,THRUST
5985-01-497-9735INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
4914
3040-01-498-3991INTERCHANGEABLE
LEVER,MANUAL CONTROL
4914

Frequently Asked Questions

What is NSN 5120-00-535-1640?

NSN 5120-00-535-1640 is a Crowfoot Attachment,socket Wrenc, manufactured by Stanley-Proto Industrial Works Div of the Stanley Works, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-535-1640?

NSN 5120-00-535-1640 has 2 cross-referenced part numbers: 4914 (Stanley-Proto Industrial Works Div of the Stanley Works), 4914 (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters).

What NSN replaces 5120-00-535-1640?

There are 9 known substitutes for 5120-00-535-1640: 5355-00-180-5092, 5950-00-200-9983, 3040-00-214-3709 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4914?

Key specifications for 4914: Wrenching Surface Size: 0.438 INCHES NOMINAL SINGLE END IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Style Designator: OPEN END. 8 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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