PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ALN20309Wrench,box and Open End,combinat

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-349-1437 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-349-1437 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-349-1437. Primary manufacturer part number: ALN20309.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Material: STEEL OVERALL
  • Style Designator: OFFSET
  • Wrenching Surface Size: 9.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-349-1437, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 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
NSN5120-01-349-1437
Primary Part NumberALN20309
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorOFFSET
Wrenching Surface Size9.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND B STYLE
Head Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-684416X730 INTERCHANGEABLE
Bearing,ball,annular
Garwood/feller Inc Garwood Winch Div
4320-00-846-079119616 INTERCHANGEABLE
Motor,hydraulic
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6220-00-979-8826 INTERCHANGEABLE
Panel,illumination
4820-01-091-1470A7365.001.156 INTERCHANGEABLE
Dog Bushing,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-091-1471A7361.001.156 INTERCHANGEABLE
Packing Nut
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-091-1480A12721.001.156 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5340-01-091-472006481101156 INTERCHANGEABLE
Seat,helical Compression Spring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-111-136020309GS91SS INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6550-01-139-750520300 INTERCHANGEABLE
Test Kit,anaerobe Identification
Biomerieux Inc
4820-01-165-141720309JS91SS INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
ALN20309 Apex Tool Group, Llc Dba Nicholson (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
OEXM9 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS955 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
20309 Apex Tool Group, Llc Dba Nicholson (USA)
AS955 TY3CL1STB General Services Administration Federal Supply Service (USA)
AS954 TY2CL4STB General Services Administration Federal Supply Service (USA)
OEXM9B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS955 Sae International Dba Sae International (USA)
B107.6 The American Society of Mechanical Engineers (USA)
B107.100 The American Society of Mechanical Engineers (USA)
Related Parts
3110-00-156-6844INTERCHANGEABLE
BEARING,BALL,ANNULAR
16X730
4320-00-846-0791INTERCHANGEABLE
MOTOR,HYDRAULIC
19616
6220-00-979-8826INTERCHANGEABLE
PANEL,ILLUMINATION
4820-01-091-1470INTERCHANGEABLE
DOG BUSHING,VALVE
A7365.001.156
4730-01-091-1471INTERCHANGEABLE
PACKING NUT
A7361.001.156
4820-01-091-1480INTERCHANGEABLE
STEM,FLUID VALVE
A12721.001.156
5340-01-091-4720INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
06481101156
4820-01-111-1360INTERCHANGEABLE
VALVE,SAFETY RELIEF
20309GS91SS
6550-01-139-7505INTERCHANGEABLE
TEST KIT,ANAEROBE IDENTIFICATION
20300
4820-01-165-1417INTERCHANGEABLE
VALVE,SAFETY RELIEF
20309JS91SS
4820-01-167-9066INTERCHANGEABLE
VALVE,SAFETY RELIEF
20309SS91SS
5940-01-283-0374INTERCHANGEABLE
TERMINAL BOARD
210003

Frequently Asked Questions

What is NSN 5120-01-349-1437?

NSN 5120-01-349-1437 is a Wrench,box and Open End,combinat, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-349-1437?

NSN 5120-01-349-1437 has 12 cross-referenced part numbers: ALN20309 (Apex Tool Group, Llc Dba Nicholson), B107.6 TY1 (General Services Administration Federal Supply Service), OEXM9 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS955 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International) and 7 more.

What NSN replaces 5120-01-349-1437?

There are 12 known substitutes for 5120-01-349-1437: 3110-00-156-6844, 4320-00-846-0791, 6220-00-979-8826 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ALN20309?

Key specifications for ALN20309: Overall Length: 105.0 MILLIMETERS MINIMUM AND 130.0 MILLIMETERS MAXIMUM MM; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL. 11 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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