PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-1208Socket,socket Wrench

Williams J H Industrial Products Inc · NSN 5120-01-428-4837 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-4837 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-4837. Primary manufacturer part number: M-1208.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-428-4837, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Williams J H Industrial Products Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-428-4837
Primary Part NumberM-1208
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWilliams J H Industrial Products Inc
StatusACTIVE
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-156-48772008337 INTERCHANGEABLE
Bearing,ball,annular
General Motors Llc Dba General Motors Llc
4730-00-322-9694M1208 INTERCHANGEABLE
Plug,pipe,magnetic
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5315-01-380-8550M1208 INTERCHANGEABLE
Pin,tapered,plain
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
M-1208 PRIMARY Williams J H Industrial Products Inc (USA)
Related Parts
3110-00-156-4877INTERCHANGEABLE
BEARING,BALL,ANNULAR
2008337
4730-00-322-9694INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
M1208
5315-01-380-8550INTERCHANGEABLE
PIN,TAPERED,PLAIN
M1208

Frequently Asked Questions

What is NSN 5120-01-428-4837?

NSN 5120-01-428-4837 is a Socket,socket Wrench, manufactured by Williams J H Industrial Products Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-428-4837?

NSN 5120-01-428-4837 has 1 cross-referenced part number: M-1208 (Williams J H Industrial Products Inc).

What NSN replaces 5120-01-428-4837?

There are 3 known substitutes for 5120-01-428-4837: 3110-00-156-4877, 4730-00-322-9694, 5315-01-380-8550. Verify interchangeability with system specifications before substitution.

What are the specifications of M-1208?

Key specifications for M-1208: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL; Special Features: STANDARD LENGTH. 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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