PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FC26ACrowfoot Attachment,socket Wrenc

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-1098 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1098 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1098. Primary manufacturer part number: FC26A.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Specification/standard Data: 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: OPEN END CAMBER
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-1098, 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 7 commercial cross-references from 6 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
NSN5120-01-335-1098
Primary Part NumberFC26A
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
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Style DesignatorOPEN END CAMBER
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size0.812 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6145-00-542-6098 INTERCHANGEABLE
Cable,special Purpose,electrical
Cross-Reference Index
Part NumberManufacturer
FC26A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
5120PL0946437 Jednolity Indeks Materialowy - Uniform Material Index (POL)
B107.21 The American Society of Mechanical Engineers (USA)
FC26B Jan Hermanek (CZE)
B107.21 TY2CL1 General Services Administration Federal Supply Service (USA)
FC26B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
FC26B Snap-on Tools Australia Pty Ltdnational Defence Div (AUS)
Related Parts
6145-00-542-6098INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL

Frequently Asked Questions

What is NSN 5120-01-335-1098?

NSN 5120-01-335-1098 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 5120-01-335-1098?

NSN 5120-01-335-1098 has 7 cross-referenced part numbers: FC26A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 5120PL0946437 (Jednolity Indeks Materialowy - Uniform Material Index), B107.21 (The American Society of Mechanical Engineers), FC26B (Jan Hermanek), B107.21 TY2CL1 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-01-335-1098?

There is 1 known substitute for 5120-01-335-1098: 6145-00-542-6098. Verify interchangeability with system specifications before substitution.

What are the specifications of FC26A?

Key specifications for FC26A: Overall Length: 1.109 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Specification/standard Data: 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 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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