PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.100 CAT 21 TY2CL1Crowfoot Attachment,socket Wrenc

General Services Administration Federal Supply Service · NSN 5120-01-335-1150 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1150 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1150. Primary manufacturer part number: B107.100 CAT 21 TY2CL1.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: OPEN END
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 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 5120-01-335-1150, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-1150
Primary Part NumberB107.100 CAT 21 TY2CL1
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS
Surface TreatmentCHROMIUM OVERALL
Style DesignatorOPEN END
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size0.438 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-01-102-435511569654 INTERCHANGEABLE
Gasket
Us Army Aviation and Missile Command
4820-01-179-29488160-4 INTERCHANGEABLE
Seat,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-01-200-7427 INTERCHANGEABLE
Drain Valve Assembl
5340-01-337-590481604 INTERCHANGEABLE
Lever,manual Control
Ke Marine Inc Dba Ke Marine Inc
5120-01-451-3393 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
B107.100 CAT 21 TY2CL1 General Services Administration Federal Supply Service (USA)
B107.21 TY2CL1 General Services Administration Federal Supply Service (USA)
FC014A Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
5120PL1037075 Jednolity Indeks Materialowy - Uniform Material Index (POL)
ZHVY0123 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
81604 Apex Tool Group, Llc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
B107.21 The American Society of Mechanical Engineers (USA)
FC014A Ge Avio Srl (ITA)
FCO14A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
FCO14 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZLW0110 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
11A7000191-1 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
Related Parts
5330-01-102-4355INTERCHANGEABLE
GASKET
11569654
4820-01-179-2948INTERCHANGEABLE
SEAT,VALVE
8160-4
4820-01-200-7427INTERCHANGEABLE
DRAIN VALVE ASSEMBL
5340-01-337-5904INTERCHANGEABLE
LEVER,MANUAL CONTROL
81604
5120-01-451-3393INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 5120-01-335-1150?

NSN 5120-01-335-1150 is a Crowfoot Attachment,socket Wrenc, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-1150?

NSN 5120-01-335-1150 has 13 cross-referenced part numbers: B107.100 CAT 21 TY2CL1 (General Services Administration Federal Supply Service), B107.21 TY2CL1 (General Services Administration Federal Supply Service), FC014A (Fincantieri S.p.a. Div Direzione Navi Militari), 5120PL1037075 (Jednolity Indeks Materialowy - Uniform Material Index), ZHVY0123 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 8 more.

What NSN replaces 5120-01-335-1150?

There are 5 known substitutes for 5120-01-335-1150: 5330-01-102-4355, 4820-01-179-2948, 4820-01-200-7427 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.100 CAT 21 TY2CL1?

Key specifications for B107.100 CAT 21 TY2CL1: Overall Length: 1.266 INCHES NOMINAL IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS; Surface Treatment: CHROMIUM OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1150 still in active supply?

NSN 5120-01-335-1150 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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