PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OEX20BWrench,box and Open End,combinat

Aertekno S.r.l. · NSN 5120-01-335-1236 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1236 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1236. Primary manufacturer part number: OEX20B.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Style Designator: OFFSET
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.625 INCHES NOMINAL BOTH ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-335-1236, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Aertekno S.r.l.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-1236
Primary Part NumberOEX20B
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAertekno S.r.l.
StatusCANCELLED
Style DesignatorOFFSET
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND C STYLE
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Head Angle15.0 DEGREES NOMINAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.625 INCHES NOMINAL BOTH ENDS IN
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5845-00-014-236944697 INTERCHANGEABLE
Ssiazimuth Matrix C
L3harris Technologies, Inc. Div Space and Airborne Systems
2590-00-248-062811657627 INTERCHANGEABLE
Cable,assembly
U S Army Tank Automotive Command Amsta-Im-Mm
3120-00-694-926144697 INTERCHANGEABLE
Bearing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
8345-00-782-2174 INTERCHANGEABLE
Flag,national
5950-00-905-328763120 INTERCHANGEABLE
Transformer,power
Power Paragon Inc Dba Air Borne Power Div Airborne Power
5950-01-080-362063120 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
7520-01-238-0979 INTERCHANGEABLE
Marker,tube Type
5315-01-354-237944697 INTERCHANGEABLE
Pin,straight,headless
Moog Inc.
6120-01-621-758663120 INTERCHANGEABLE
Power Supply
Professional Mariner Inc
Cross-Reference Index
Part NumberManufacturer
OEX20B Aertekno S.r.l. (ITA)
OEX20 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS954 Society of Automotive Engineers Inc (USA)
OEX20B Jan Hermanek (CZE)
OEX20B Ge Avio Srl (ITA)
AS954 Sae International Dba Sae International (USA)
00944697000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
OEX20B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
44697 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
9-44697 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
63-120 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS954 TY2CL4STC General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
20212 Easco Hand Tools Inc (USA)
20212 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS954 TY2CL4STA General Services Administration Federal Supply Service (USA)
OEX20B Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
OEX20A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5845-00-014-2369INTERCHANGEABLE
SSIAZIMUTH MATRIX C
44697
2590-00-248-0628INTERCHANGEABLE
CABLE,ASSEMBLY
11657627
3120-00-694-9261INTERCHANGEABLE
BEARING,SLEEVE
44697
8345-00-782-2174INTERCHANGEABLE
FLAG,NATIONAL
5950-00-905-3287INTERCHANGEABLE
TRANSFORMER,POWER
63120
5950-01-080-3620INTERCHANGEABLE
REACTOR
63120
7520-01-238-0979INTERCHANGEABLE
MARKER,TUBE TYPE
5315-01-354-2379INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
44697
6120-01-621-7586INTERCHANGEABLE
POWER SUPPLY
63120

Frequently Asked Questions

What is NSN 5120-01-335-1236?

NSN 5120-01-335-1236 is a Wrench,box and Open End,combinat, manufactured by Aertekno S.r.l., classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-1236?

NSN 5120-01-335-1236 has 23 cross-referenced part numbers: OEX20B (Aertekno S.r.l.), OEX20 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS954 (Society of Automotive Engineers Inc), OEX20B (Jan Hermanek), OEX20B (Ge Avio Srl) and 18 more.

What NSN replaces 5120-01-335-1236?

There are 9 known substitutes for 5120-01-335-1236: 5845-00-014-2369, 2590-00-248-0628, 3120-00-694-9261 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of OEX20B?

Key specifications for OEX20B: Style Designator: OFFSET; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1236 still in active supply?

NSN 5120-01-335-1236 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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