PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

F312Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-661-6706 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-661-6706 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-661-6706. Primary manufacturer part number: F312.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 8 POINT SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-661-6706, 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 8 verified specifications, sourced from the Federal Logistics Information System. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-661-6706
Primary Part NumberF312
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
Wrenching Surface Shape8 POINT SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 2
3120-00-661-5014F312 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5905-00-985-09381 1-4TE57FS100 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
Cross-Reference Index
Part NumberManufacturer
11A7000767-3 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
F312 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
3120-00-661-5014INTERCHANGEABLE
BEARING,SLEEVE
F312
5905-00-985-0938INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
1 1-4TE57FS100

Frequently Asked Questions

What is NSN 5120-01-661-6706?

NSN 5120-01-661-6706 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 5120-01-661-6706?

NSN 5120-01-661-6706 has 2 cross-referenced part numbers: 11A7000767-3 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), F312 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-661-6706?

There are 2 known substitutes for 5120-01-661-6706: 3120-00-661-5014, 5905-00-985-0938. Verify interchangeability with system specifications before substitution.

What are the specifications of F312?

Key specifications for F312: Overall Length: 0.938 INCHES NOMINAL IN; End Item Identification: ARSS; Wrenching Surface Shape: 8 POINT SINGLE END INTERNAL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 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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