PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-1-1-12Key,socket Head Screw

Bird-Johnson Propeller Company, Llc · NSN 5120-01-614-1277 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-614-1277 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-614-1277. Primary manufacturer part number: S-1-1-12.
Features
  • Key,socket Head Screw — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Bird-Johnson Propeller Company, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-614-1277, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bird-Johnson Propeller Company, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameKey,socket Head Screw
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersBird-Johnson Propeller Company, Llc (CAGE 07309)
Technical Specifications
ParameterValue
NSN5120-01-614-1277
Primary Part NumberS-1-1-12
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBird-Johnson Propeller Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-234-578117 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5950-00-964-8541151-023-0001 INTERCHANGEABLE
Transformer,pulse
Northrop Grumman Systems Corporation
5360-01-481-5473S-1112 INTERCHANGEABLE
Spring,helical,compression
Century Spring Mfg. Co Inc
Cross-Reference Index
Part NumberManufacturer
S-1-1-12 PRIMARY Bird-Johnson Propeller Company, Llc (USA)
Related Parts
6240-00-234-5781INTERCHANGEABLE
LAMP,INCANDESCENT
17
5950-00-964-8541INTERCHANGEABLE
TRANSFORMER,PULSE
151-023-0001
5360-01-481-5473INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S-1112

Frequently Asked Questions

What is NSN 5120-01-614-1277?

NSN 5120-01-614-1277 is a Key,socket Head Screw, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-614-1277?

NSN 5120-01-614-1277 has 1 cross-referenced part number: S-1-1-12 (Bird-Johnson Propeller Company, Llc).

What NSN replaces 5120-01-614-1277?

There are 3 known substitutes for 5120-01-614-1277: 6240-00-234-5781, 5950-00-964-8541, 5360-01-481-5473. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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