PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45330Crowfoot Attachment,socket Wrenc

Utica Tool Co Inc · NSN 5120-00-541-4075 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-541-4075 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-541-4075. Primary manufacturer part number: 45330.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Style Designator: FLARE NUT
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-541-4075, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Utica Tool Co Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN5120-00-541-4075
Primary Part Number45330
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUtica Tool Co Inc
StatusCANCELLED
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Style DesignatorFLARE NUT
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE AND A DESIGN
Surface TreatmentCHROMIUM OVERALL
Head Thickness0.750 INCHES NOMINAL IN
Opening Width0.719 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-181-6764 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6765 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-189-7896 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-224-7288 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-229-2772 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5360-00-260-666710A6475 INTERCHANGEABLE
Spring,helical,compression
Napco International Llc Dba Napco International Inc
6685-00-424-5726162988 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5120-00-555-9367K35515 INTERCHANGEABLE
Wrench,open End
The Boeing Company
6625-01-069-1282TF30 INTERCHANGEABLE
Test Set,semiconductor Device
Sencore, Inc.
4030-01-325-425745330 INTERCHANGEABLE
Clamp,wire Rope,bolted
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
45330 Utica Tool Co Inc (USA)
GGG-C-1507 TY1CL2 General Services Administration Federal Supply Service (USA)
TF-30 Utica Tool Co Inc (USA)
AN8505-15 Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
B107.21 The American Society of Mechanical Engineers (USA)
AN8505-15 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS4167 Society of Automotive Engineers Inc (USA)
AS4167 Sae International Dba Sae International (USA)
GGG-C-1507 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS4167 TY1CL1STBDEA General Services Administration Federal Supply Service (USA)
B107.21 TY1CL1 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-181-6764INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6765INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-189-7896INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-224-7288INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-229-2772INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5360-00-260-6667INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10A6475
6685-00-424-5726INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
162988
5120-00-555-9367INTERCHANGEABLE
WRENCH,OPEN END
K35515
6625-01-069-1282INTERCHANGEABLE
TEST SET,SEMICONDUCTOR DEVICE
TF30
4030-01-325-4257INTERCHANGEABLE
CLAMP,WIRE ROPE,BOLTED
45330
6530-01-334-2678INTERCHANGEABLE
DRAPE,SURGICAL
TF30
5120-01-348-9466INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
FRS AN850812B

Frequently Asked Questions

What is NSN 5120-00-541-4075?

NSN 5120-00-541-4075 is a Crowfoot Attachment,socket Wrenc, manufactured by Utica Tool Co Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-541-4075?

NSN 5120-00-541-4075 has 11 cross-referenced part numbers: 45330 (Utica Tool Co Inc), GGG-C-1507 TY1CL2 (General Services Administration Federal Supply Service), TF-30 (Utica Tool Co Inc), AN8505-15 (Snap on Uk Holdings Ltd T/a Snap on Tools), B107.21 (The American Society of Mechanical Engineers) and 6 more.

What NSN replaces 5120-00-541-4075?

There are 12 known substitutes for 5120-00-541-4075: 5120-00-181-6764, 5120-00-181-6765, 5120-00-189-7896 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45330?

Key specifications for 45330: Overall Length: 1.960 INCHES NOMINAL IN; Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-541-4075 still in active supply?

NSN 5120-00-541-4075 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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