PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC30BCrowfoot Attachment,socket Wrenc

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-1100 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1100 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1100. Primary manufacturer part number: FC30B.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Style Designator: OPEN END CAMBER
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-1100, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-1100
Primary Part NumberFC30B
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
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Style DesignatorOPEN END CAMBER
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-184-8403 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
6105-01-056-7511J214724 INTERCHANGEABLE
Coupling,motor
Jered Llc
Cross-Reference Index
Part NumberManufacturer
FC30 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
H24751 Mbda Uk Ltd (GBR)
FC30A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
FC30B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
FC30A Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
5120PL0844833 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5120-00-184-8403INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
6105-01-056-7511INTERCHANGEABLE
COUPLING,MOTOR
J214724

Frequently Asked Questions

What is NSN 5120-01-335-1100?

NSN 5120-01-335-1100 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 5120-01-335-1100?

NSN 5120-01-335-1100 has 6 cross-referenced part numbers: FC30 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), H24751 (Mbda Uk Ltd), FC30A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), FC30B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), FC30A (Snap on Uk Holdings Ltd T/a Snap on Tools) and 1 more.

What NSN replaces 5120-01-335-1100?

There are 2 known substitutes for 5120-01-335-1100: 5120-00-184-8403, 6105-01-056-7511. Verify interchangeability with system specifications before substitution.

What are the specifications of FC30B?

Key specifications for FC30B: Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 9 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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