PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FS181Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-0919 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-0919 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-0919. Primary manufacturer part number: FS181.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.880 INCHES MAXIMUM IN
  • Wrenching End Opening Depth: 0.328 INCHES MINIMUM IN
  • Wrenching End Outside Diameter: 0.814 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-335-0919, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 18 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
NSN5120-01-335-0919
Primary Part NumberFS181
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Drive End Outside Diameter0.880 INCHES MAXIMUM IN
Wrenching End Opening Depth0.328 INCHES MINIMUM IN
Wrenching End Outside Diameter0.814 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.110 CAT1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE
Features ProvidedMANUAL TOOL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-155-8714 INTERCHANGEABLE
Lamp,incandescent
5133-00-189-9188 INTERCHANGEABLE
Drill,twist
5120-00-234-8741100-3/8 INTERCHANGEABLE
Bender,tube,hand
General Tools Manufacturing Co., Llc.
5331-00-292-9914PRP914-6711-70 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5850-00-565-894645118 INTERCHANGEABLE
Filter,signal Light
L3harris Technologies, Inc Div Space & Airborne Systems
4920-00-771-8834145-40928 INTERCHANGEABLE
Current Source,transistorized
Moog Inc
5955-00-789-811945118 INTERCHANGEABLE
Oscillator,noncrystal Controlled
L3harris Technologies, Inc. Div Space and Airborne Systems
3820-00-844-1831110-18 INTERCHANGEABLE
Plate,crusher Jaw
Universal Engineering Corp.
5965-00-918-395011018 INTERCHANGEABLE
Plate,anchor
Telephonics Corp
6680-00-919-6109A11018 INTERCHANGEABLE
Valve
Clark-Reliance Llc Dba Jerguson Gage & Valve
Cross-Reference Index
Part NumberManufacturer
J5218H The Stanley Works Dba Stanley Proto (USA)
33007691 Msc Industrial Direct Co., Inc. (USA)
5120PL2113518 Jednolity Indeks Materialowy - Uniform Material Index (POL)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
45118 S-K HAND TOOLS Kipper Tool Company Dba Kipper Management Inc (USA)
45118 S K Hand Tool Corp (USA)
ARM-11018L J and L Industrial Supply Co Inc (USA)
MBEU82243 Ceska Letecka Servisni A.s. (CZE)
52-1118 Apex Tool Group, Llc Dba Nicholson (USA)
FS181 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
11-018 Apex Tool Group, Llc Dba Nicholson (USA)
FRS FS181 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
J5218H Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
STP 5218H Kipper Tool Company Dba Kipper Management Inc (USA)
B107.1 The American Society of Mechanical Engineers (USA)
ZHVY0110-4 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
52-1118 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
11-018 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
FS181 Snap-on Uk Holdings Limited (GBR)
11-018 Armstrong Bros Tool Co (USA)
Related Parts
6240-00-155-8714INTERCHANGEABLE
LAMP,INCANDESCENT
5133-00-189-9188INTERCHANGEABLE
DRILL,TWIST
5120-00-234-8741INTERCHANGEABLE
BENDER,TUBE,HAND
100-3/8
5331-00-292-9914INTERCHANGEABLE
O-RING
PRP914-6711-70
5850-00-565-8946INTERCHANGEABLE
FILTER,SIGNAL LIGHT
45118
4920-00-771-8834INTERCHANGEABLE
CURRENT SOURCE,TRANSISTORIZED
145-40928
5955-00-789-8119INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
45118
3820-00-844-1831INTERCHANGEABLE
PLATE,CRUSHER JAW
110-18
5965-00-918-3950INTERCHANGEABLE
PLATE,ANCHOR
11018
6680-00-919-6109INTERCHANGEABLE
VALVE
A11018
5330-01-049-3970INTERCHANGEABLE
GASKET
45118
2940-01-058-2282INTERCHANGEABLE
FILTERING DISK,FLUID
11018

Frequently Asked Questions

What is NSN 5120-01-335-0919?

NSN 5120-01-335-0919 is a Socket,socket Wrench, 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 5120-01-335-0919?

NSN 5120-01-335-0919 has 26 cross-referenced part numbers: J5218H (The Stanley Works Dba Stanley Proto), 33007691 (Msc Industrial Direct Co., Inc.), 5120PL2113518 (Jednolity Indeks Materialowy - Uniform Material Index), B107.1 TY1CL1 (General Services Administration Federal Supply Service), 45118 S-K HAND TOOLS (Kipper Tool Company Dba Kipper Management Inc) and 21 more.

What NSN replaces 5120-01-335-0919?

There are 12 known substitutes for 5120-01-335-0919: 6240-00-155-8714, 5133-00-189-9188, 5120-00-234-8741 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FS181?

Key specifications for FS181: Drive End Outside Diameter: 0.880 INCHES MAXIMUM IN; Wrenching End Opening Depth: 0.328 INCHES MINIMUM IN; Wrenching End Outside Diameter: 0.814 INCHES MAXIMUM IN; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-0919 still in active supply?

NSN 5120-01-335-0919 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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