PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FCO32Crowfoot Attachment,socket Wrenc

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-1091 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1091 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1091. Primary manufacturer part number: FCO32.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Style Designator: OPEN END
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-1091, 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 10 commercial cross-references from 7 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
NSN5120-01-335-1091
Primary Part NumberFCO32
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
StatusCANCELLED
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorOPEN END
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-181-6784 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-236-2261 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-535-1641 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-604-5021 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-302-4387 INTERCHANGEABLE
Crowfoot Attachment Set,socket W
5120-01-335-1111 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-335-1124SCO44 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-335-1148FC66A INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-429-6689 INTERCHANGEABLE
Crowfoot Attachment Set,socket W
5120-01-586-4506 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
FCO32 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 The American Society of Mechanical Engineers (USA)
FC032A Ge Avio Srl (ITA)
B107.100 The American Society of Mechanical Engineers (USA)
4492861372 Lemvigh-Muller A/s (DNK)
5120PL0897721 Jednolity Indeks Materialowy - Uniform Material Index (POL)
FCO32A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 TY2CL2 General Services Administration Federal Supply Service (USA)
B107.100 CAT 21 TY2CL2 General Services Administration Federal Supply Service (USA)
FC032A Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
Related Parts
5120-00-181-6784INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-236-2261INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-535-1641INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-604-5021INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-302-4387INTERCHANGEABLE
CROWFOOT ATTACHMENT SET,SOCKET W
5120-01-335-1111INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-335-1124INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
SCO44
5120-01-335-1148INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
FC66A
5120-01-429-6689INTERCHANGEABLE
CROWFOOT ATTACHMENT SET,SOCKET W
5120-01-586-4506INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-589-8725INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-603-5295INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
TMCOM10

Frequently Asked Questions

What is NSN 5120-01-335-1091?

NSN 5120-01-335-1091 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: cancelled.

What are the part numbers for NSN 5120-01-335-1091?

NSN 5120-01-335-1091 has 10 cross-referenced part numbers: FCO32 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.21 (The American Society of Mechanical Engineers), FC032A (Ge Avio Srl), B107.100 (The American Society of Mechanical Engineers), 4492861372 (Lemvigh-Muller A/s) and 5 more.

What NSN replaces 5120-01-335-1091?

There are 12 known substitutes for 5120-01-335-1091: 5120-00-181-6784, 5120-00-236-2261, 5120-00-535-1641 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FCO32?

Key specifications for FCO32: Overall Length: 2.094 INCHES NOMINAL IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1091 still in active supply?

NSN 5120-01-335-1091 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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