PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RXS16BWrench,open End Box

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-428-8305 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-8305 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-8305. Primary manufacturer part number: RXS16B.
Features
  • Wrench,open End Box — FSC 5120
  • Wrenching Surface Shape: 6 POINT SECOND END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE
  • Wrenching Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: STRAIGHT JAW
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: HEXAGON FIRST END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End Box, cataloged under National Stock Number 5120-01-428-8305, 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 (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-428-8305
Primary Part NumberRXS16B
Item NameWrench,open End Box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Wrenching Surface Shape6 POINT SECOND END INTERNAL
Nondefinitive Spec/std Data2 TYPE
Wrenching Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Style DesignatorSTRAIGHT JAW
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface ShapeHEXAGON FIRST END INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5120-00-690-7328J3752 INTERCHANGEABLE
Wrench,open End Box
The Stanley Works Dba Stanley Proto
5120-01-428-8289 INTERCHANGEABLE
Wrench,open End Box
5120-01-428-8298RXS12B INTERCHANGEABLE
Wrench,open End Box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-428-8362RXS14B INTERCHANGEABLE
Wrench,open End Box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-428-8384RXS18B INTERCHANGEABLE
Wrench,open End Box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-428-8443RXS20B INTERCHANGEABLE
Wrench,open End Box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-428-8526RXSM605B INTERCHANGEABLE
Wrench Set,open End and Open End
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-429-7381 INTERCHANGEABLE
Wrench Set,open End and Open End
5120-01-486-2102 INTERCHANGEABLE
Wrench,open End Box
5120-01-486-2106J3756T INTERCHANGEABLE
Wrench,open End Box
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
B107.40 TY2 General Services Administration Federal Supply Service (USA)
B107.100 CAT 40 TY2 General Services Administration Federal Supply Service (USA)
B107.40 The American Society of Mechanical Engineers (USA)
RXS16B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
RXS16 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-690-7328INTERCHANGEABLE
WRENCH,OPEN END BOX
J3752
5120-01-428-8289INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-428-8298INTERCHANGEABLE
WRENCH,OPEN END BOX
RXS12B
5120-01-428-8362INTERCHANGEABLE
WRENCH,OPEN END BOX
RXS14B
5120-01-428-8384INTERCHANGEABLE
WRENCH,OPEN END BOX
RXS18B
5120-01-428-8443INTERCHANGEABLE
WRENCH,OPEN END BOX
RXS20B
5120-01-428-8526INTERCHANGEABLE
WRENCH SET,OPEN END AND OPEN END
RXSM605B
5120-01-429-7381INTERCHANGEABLE
WRENCH SET,OPEN END AND OPEN END
5120-01-486-2102INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-486-2106INTERCHANGEABLE
WRENCH,OPEN END BOX
J3756T
5120-01-598-3575INTERCHANGEABLE
WRENCH,OPEN END BOX

Frequently Asked Questions

What is NSN 5120-01-428-8305?

NSN 5120-01-428-8305 is a Wrench,open End Box, 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 5120-01-428-8305?

NSN 5120-01-428-8305 has 6 cross-referenced part numbers: B107.40 TY2 (General Services Administration Federal Supply Service), B107.100 CAT 40 TY2 (General Services Administration Federal Supply Service), B107.40 (The American Society of Mechanical Engineers), RXS16B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), RXS16 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 1 more.

What NSN replaces 5120-01-428-8305?

There are 11 known substitutes for 5120-01-428-8305: 5120-00-690-7328, 5120-01-428-8289, 5120-01-428-8298 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RXS16B?

Key specifications for RXS16B: Wrenching Surface Shape: 6 POINT SECOND END INTERNAL; Overall Length: 5.625 INCHES MINIMUM IN; Nondefinitive Spec/std Data: 2 TYPE; Wrenching Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-428-8305 still in active supply?

NSN 5120-01-428-8305 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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