PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW281Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-661-8434 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-661-8434 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-661-8434. Primary manufacturer part number: SW281.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-661-8434, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5120-01-661-8434
Primary Part NumberSW281
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Size0.875 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-672-3378 INTERCHANGEABLE
Switch,rotary
5120-01-335-0802 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
SW281 Ge Avio Srl (ITA)
SW281 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
11A7000792-8 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
SW281 Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
AS954 Sae International Dba Sae International (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
Related Parts
5930-00-672-3378INTERCHANGEABLE
SWITCH,ROTARY
5120-01-335-0802INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-661-8434?

NSN 5120-01-661-8434 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: active.

What are the part numbers for NSN 5120-01-661-8434?

NSN 5120-01-661-8434 has 6 cross-referenced part numbers: SW281 (Ge Avio Srl), SW281 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 11A7000792-8 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), SW281 (Fincantieri S.p.a. Div Direzione Navi Militari), AS954 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5120-01-661-8434?

There are 2 known substitutes for 5120-01-661-8434: 5930-00-672-3378, 5120-01-335-0802. Verify interchangeability with system specifications before substitution.

What are the specifications of SW281?

Key specifications for SW281: Overall Length: 1.500 INCHES NOMINAL IN; End Item Identification: ARSS; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN. 12 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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