PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC16Crowfoot Attachment,socket Wrenc

Snap on Uk Holdings Ltd T/a Snap on Tools · NSN 5120-00-184-8384 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8384 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8384. Primary manufacturer part number: FC16.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-184-8384, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Snap on Uk Holdings Ltd T/a Snap on Tools. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 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
NSN5120-00-184-8384
Primary Part NumberFC16
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSnap on Uk Holdings Ltd T/a Snap on Tools
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Specification/standard Data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS
Style DesignatorOPEN END CAMBER
Head Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-117-807159-T-58 INTERCHANGEABLE
Switch,thermostatic
Universal Engine Heater Co.
5120-00-184-8383 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8397 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8398 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8410 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8411 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8418 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5340-00-229-38461141GE INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5950-00-265-0559 INTERCHANGEABLE
Transformer,power
5120-00-310-2090 INTERCHANGEABLE
Wrench,socket
Cross-Reference Index
Part NumberManufacturer
FC16 Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
T7 Utica Tool Co Inc (USA)
T7 Bonney Forge Corp (USA)
B107.21 TY2CL1 General Services Administration Federal Supply Service (USA)
GGG-C-1507 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.100 CAT 21 TY2CL1 General Services Administration Federal Supply Service (USA)
GGG-C-1507 TY2 General Services Administration Federal Supply Service (USA)
41W1578-32 General Stores Supply Office (USA)
B107.100 The American Society of Mechanical Engineers (USA)
10082420 Nimikkeistokeskus Ncb Finland (FIN)
B107.21 TY2CL2STA General Services Administration Federal Supply Service (USA)
AN8506-2 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 The American Society of Mechanical Engineers (USA)
AN8506-2 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5930-00-117-8071INTERCHANGEABLE
SWITCH,THERMOSTATIC
59-T-58
5120-00-184-8383INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8397INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8398INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8410INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8411INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8418INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5340-00-229-3846INTERCHANGEABLE
KEY BLANK
1141GE
5950-00-265-0559INTERCHANGEABLE
TRANSFORMER,POWER
5120-00-310-2090INTERCHANGEABLE
WRENCH,SOCKET
5930-00-957-9363INTERCHANGEABLE
SWITCH,SENSITIVE
3439-01-036-3309INTERCHANGEABLE
SOLDERING IRON,ELECTRIC

Frequently Asked Questions

What is NSN 5120-00-184-8384?

NSN 5120-00-184-8384 is a Crowfoot Attachment,socket Wrenc, manufactured by Snap on Uk Holdings Ltd T/a Snap on Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-184-8384?

NSN 5120-00-184-8384 has 14 cross-referenced part numbers: FC16 (Snap on Uk Holdings Ltd T/a Snap on Tools), T7 (Utica Tool Co Inc), T7 (Bonney Forge Corp), B107.21 TY2CL1 (General Services Administration Federal Supply Service), GGG-C-1507 (Federal Specifications Promulgated by General Services Administration Washington DC) and 9 more.

What NSN replaces 5120-00-184-8384?

There are 12 known substitutes for 5120-00-184-8384: 5930-00-117-8071, 5120-00-184-8383, 5120-00-184-8397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FC16?

Key specifications for FC16: Material: STEEL OVERALL; Surface Treatment: CHROMIUM OVERALL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com