PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.8Wrench,adjustable

The American Society of Mechanical Engineers · NSN 5120-01-399-9886 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9886 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9886. Primary manufacturer part number: B107.8.
Features
  • Wrench,adjustable — FSC 5120
  • Nondefinitive Spec/std Data: 2 TYPE
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN
  • Specification/standard Data: 05047-ASME B107.100 CAT 8 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: OPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,adjustable, cataloged under National Stock Number 5120-01-399-9886, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-399-9886
Primary Part NumberB107.8
Item NameWrench,adjustable
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Wrenching Surface Size1.125 INCHES MAXIMUM SINGLE END IN
Specification/standard Data05047-ASME B107.100 CAT 8 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorOPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2920-00-555-5765708S INTERCHANGEABLE
Spark Plug
The B G Service Company, Inc.
5120-01-127-6857 INTERCHANGEABLE
Wrench,adjustable
5120-01-269-9357 INTERCHANGEABLE
Wrench,adjustable
5120-01-399-9853 INTERCHANGEABLE
Wrench,adjustable
5120-01-399-987612148 INTERCHANGEABLE
Wrench,adjustable
Star Asia-Usa, Llc
5120-01-399-9879 INTERCHANGEABLE
Wrench,adjustable
5120-01-437-1733 INTERCHANGEABLE
Wrench,adjustable
5120-01-473-9273 INTERCHANGEABLE
Wrench,adjustable
5120-01-535-9280 INTERCHANGEABLE
Wrench,adjustable
5120-01-600-4304 INTERCHANGEABLE
Wrench,adjustable
Cross-Reference Index
Part NumberManufacturer
B107.8 The American Society of Mechanical Engineers (USA)
708S The Stanley Works Dba Stanley Proto (USA)
B107.100 CAT 8 TY2 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
B107.8 TY2 General Services Administration Federal Supply Service (USA)
3R373 W.w. Grainger, Inc. Div Government Sales Division (USA)
J708S The Stanley Works Dba Stanley Proto (USA)
Related Parts
2920-00-555-5765INTERCHANGEABLE
SPARK PLUG
708S
5120-01-127-6857INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-269-9357INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-399-9853INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-399-9876INTERCHANGEABLE
WRENCH,ADJUSTABLE
12148
5120-01-399-9879INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-437-1733INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-473-9273INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-535-9280INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-600-4304INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-645-7871INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-01-653-2015INTERCHANGEABLE
WRENCH,ADJUSTABLE

Frequently Asked Questions

What is NSN 5120-01-399-9886?

NSN 5120-01-399-9886 is a Wrench,adjustable, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-399-9886?

NSN 5120-01-399-9886 has 7 cross-referenced part numbers: B107.8 (The American Society of Mechanical Engineers), 708S (The Stanley Works Dba Stanley Proto), B107.100 CAT 8 TY2 (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers), B107.8 TY2 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-01-399-9886?

There are 12 known substitutes for 5120-01-399-9886: 2920-00-555-5765, 5120-01-127-6857, 5120-01-269-9357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.8?

Key specifications for B107.8: Nondefinitive Spec/std Data: 2 TYPE; Surface Treatment: OXIDE OVERALL; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN. 8 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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