PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC46ACrowfoot Attachment,socket Wrenc

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-1138 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1138 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1138. Primary manufacturer part number: FC46A.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN
  • Style Designator: OPEN END CAMBER
  • Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS
  • 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 5120-01-335-1138, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-1138
Primary Part NumberFC46A
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Wrenching Surface Size1.438 INCHES NOMINAL SINGLE END IN
Style DesignatorOPEN END CAMBER
Specification/standard Data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-184-8411 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
FC46A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 TY2CL1 General Services Administration Federal Supply Service (USA)
H24777 Mbda Uk Ltd (GBR)
5120PL1012224 Jednolity Indeks Materialowy - Uniform Material Index (POL)
FC46 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
B107.100 CAT 21 TY2CL1 General Services Administration Federal Supply Service (USA)
B107.21 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-184-8411INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 5120-01-335-1138?

NSN 5120-01-335-1138 is a Crowfoot Attachment,socket Wrenc, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-335-1138?

NSN 5120-01-335-1138 has 8 cross-referenced part numbers: FC46A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.21 TY2CL1 (General Services Administration Federal Supply Service), H24777 (Mbda Uk Ltd), 5120PL1012224 (Jednolity Indeks Materialowy - Uniform Material Index), FC46 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 3 more.

What NSN replaces 5120-01-335-1138?

There is 1 known substitute for 5120-01-335-1138: 5120-00-184-8411. Verify interchangeability with system specifications before substitution.

What are the specifications of FC46A?

Key specifications for FC46A: Special Features: WITH SIDE LOCK HOLE; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN. 11 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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