PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-512Socket,socket Wrench

Armstrong Bros Tool Co · NSN 5120-01-397-3297 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-3297 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-3297. Primary manufacturer part number: 11-512.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: UNIVERSAL JOINT
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-397-3297, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5120-01-397-3297
Primary Part Number11-512
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorUNIVERSAL JOINT
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-189-9982612360 INTERCHANGEABLE
Solenoid,electrical
Lockheed Martin Corp
5133-00-236-4048 INTERCHANGEABLE
Drill,twist
5950-00-251-434011512 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5360-00-335-932311512 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2530-00-351-1975188-5333 INTERCHANGEABLE
Track Shoe,vehicular
Caterpillar Inc Div Caterpillar Defense
5815-00-356-3409SM-B-171559 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-00-375-654611512 INTERCHANGEABLE
Hose Assembly,nonmetallic
Naval Sea Systems Command
5360-00-393-5040 INTERCHANGEABLE
Spring,presser Bar
5930-00-627-7452 INTERCHANGEABLE
Switch,push
5930-00-689-481278-8418-3950-5 INTERCHANGEABLE
Switch,sensitive
Decisionone Corp Dba Decisionone
Cross-Reference Index
Part NumberManufacturer
11-512 Armstrong Bros Tool Co (USA)
11-512 Apex Tool Group, Llc Dba Nicholson (USA)
11-512 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
5945-00-189-9982INTERCHANGEABLE
SOLENOID,ELECTRICAL
612360
5133-00-236-4048INTERCHANGEABLE
DRILL,TWIST
5950-00-251-4340INTERCHANGEABLE
TRANSFORMER,POWER
11512
5360-00-335-9323INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11512
2530-00-351-1975INTERCHANGEABLE
TRACK SHOE,VEHICULAR
188-5333
5815-00-356-3409INTERCHANGEABLE
KEYTOP,KEYBOARD
SM-B-171559
4720-00-375-6546INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
11512
5360-00-393-5040INTERCHANGEABLE
SPRING,PRESSER BAR
5930-00-627-7452INTERCHANGEABLE
SWITCH,PUSH
5930-00-689-4812INTERCHANGEABLE
SWITCH,SENSITIVE
78-8418-3950-5
5355-01-211-4209INTERCHANGEABLE
KNOB
1151-2
6520-01-360-2638INTERCHANGEABLE
IMPRESSION TRAY,DENTAL
11512

Frequently Asked Questions

What is NSN 5120-01-397-3297?

NSN 5120-01-397-3297 is a Socket,socket Wrench, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-397-3297?

NSN 5120-01-397-3297 has 3 cross-referenced part numbers: 11-512 (Armstrong Bros Tool Co), 11-512 (Apex Tool Group, Llc Dba Nicholson), 11-512 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-01-397-3297?

There are 12 known substitutes for 5120-01-397-3297: 5945-00-189-9982, 5133-00-236-4048, 5950-00-251-4340 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-512?

Key specifications for 11-512: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Overall Length: 1.656 INCHES NOMINAL IN; Style Designator: UNIVERSAL JOINT; Features Provided: MANUAL TOOL. 9 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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