PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8777Alignment Tool,slot Tuning

Knowles Cazenovia, Inc. Div Johanson Manufacturing · NSN 5120-01-137-9949 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-137-9949 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-137-9949. Primary manufacturer part number: 8777.
Features
  • Alignment Tool,slot Tuning — FSC 5120
  • General Characteristics Item Description: PLASTIC TUNING TOOL WITH FLAT METAL TIP; FIRST END DIAMETER 0.078 INCHES,SECOND END DIAMETER 0.130 INCHES IN
  • 3 verified cross-references
  • Primary manufacturer: Knowles Cazenovia, Inc. Div Johanson Manufacturing
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Alignment Tool,slot Tuning, cataloged under National Stock Number 5120-01-137-9949, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Knowles Cazenovia, Inc. Div Johanson Manufacturing. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-137-9949
Primary Part Number8777
Item NameAlignment Tool,slot Tuning
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerKnowles Cazenovia, Inc. Div Johanson Manufacturing
StatusACTIVE
General Characteristics Item DescriptionPLASTIC TUNING TOOL WITH FLAT METAL TIP; FIRST END DIAMETER 0.078 INCHES,SECOND END DIAMETER 0.130 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-138-207587-7-7 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Johnson Controls, Inc Div Building Efficiency
5315-00-393-5141 INTERCHANGEABLE
Pin,hinge
5910-00-583-4831 INTERCHANGEABLE
Capacitor,fixed,electrolytic
6145-00-949-3331 INTERCHANGEABLE
Cable,special Purpose,electrical
5985-01-411-4387877-7 INTERCHANGEABLE
Repair Kit,radome
Cpi Essco Inc
8465-01-515-11568220-3-2B INTERCHANGEABLE
Strap,involuntary,restraint
Safariland Llc
Cross-Reference Index
Part NumberManufacturer
8777 PRIMARY Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
880373 Bae Systems Information and Electronic Systems Integration Inc. (USA)
750-2200 Seven Technologies Group (GBR)
Related Parts
4820-00-138-2075INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
87-7-7
5315-00-393-5141INTERCHANGEABLE
PIN,HINGE
5910-00-583-4831INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
6145-00-949-3331INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5985-01-411-4387INTERCHANGEABLE
REPAIR KIT,RADOME
877-7
8465-01-515-1156INTERCHANGEABLE
STRAP,INVOLUNTARY,RESTRAINT
8220-3-2B

Frequently Asked Questions

What is NSN 5120-01-137-9949?

NSN 5120-01-137-9949 is a Alignment Tool,slot Tuning, manufactured by Knowles Cazenovia, Inc. Div Johanson Manufacturing, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-137-9949?

NSN 5120-01-137-9949 has 3 cross-referenced part numbers: 8777 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), 880373 (Bae Systems Information and Electronic Systems Integration Inc.), 750-2200 (Seven Technologies Group).

What NSN replaces 5120-01-137-9949?

There are 6 known substitutes for 5120-01-137-9949: 4820-00-138-2075, 5315-00-393-5141, 5910-00-583-4831 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8777?

Key specifications for 8777: End Item Identification: F-15 ACFT; General Characteristics Item Description: PLASTIC TUNING TOOL WITH FLAT METAL TIP; FIRST END DIAMETER 0.078 INCHES,SECOND END DIAMETER 0.130 INCHES IN. 2 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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