PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SG21CUGenerator,signal

Joint Electronics Type Designation System · NSN 6625-00-020-8927 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-020-8927 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-020-8927. Primary manufacturer part number: SG21CU.
Features
  • Generator,signal — FSC 6625
  • Output Impedance Rating: 12.0 KILOHMS NOMINAL
  • Phase: SINGLE
  • Frequency Range Rating: +10.000 TO 500.000 HERTZ
  • Calibration Accuracy Rating: PORM 0.050 PCT
  • Frequency Band Quantity: 2
  • Material: ALUMINUM ALLOY CASE
  • Case Surface Treatment: ENAMEL
Applications
  • Applications requiring Aluminum Alloy Case construction
General Description

The Generator,signal, cataloged under National Stock Number 6625-00-020-8927, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-020-8927
Primary Part NumberSG21CU
Item NameGenerator,signal
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Output Impedance Rating12.0 KILOHMS NOMINAL
PhaseSINGLE
Frequency Range Rating+10.000 TO 500.000 HERTZ
Calibration Accuracy RatingPORM 0.050 PCT
Frequency Band Quantity2
MaterialALUMINUM ALLOY CASE
Case Surface TreatmentENAMEL
Voltage Rating115.0 VOLTS NOMINAL
Current TypeAC
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM
Output Impedance Rating12.0 KILOHMS NOMINAL
PhaseSINGLE
Frequency Range Rating+10.000 TO 500.000 HERTZ
Calibration Accuracy RatingPORM 0.050 PCT
Frequency Band Quantity2
MaterialALUMINUM ALLOY CASE
Case Surface TreatmentENAMEL
Voltage Rating115.0 VOLTS NOMINAL
Current TypeAC
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVM
Weight28.8000 lbs
Cube1.3125 cu ft
Verified Substitutes 12
5307-00-147-812575000 INTERCHANGEABLE
Stud
Textron Lycoming Inc Williamsport Plant
5935-00-201-927075000 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
5940-00-443-059375000 INTERCHANGEABLE
Terminal,lug
Hamilton Sundstrand Corporation Dba Collins Aerospace
7310-00-592-528375012 INTERCHANGEABLE
Adapter Bar
The Vollrath Company, L.l.c. Div Vollrath
5310-00-732-0560 INTERCHANGEABLE
Nut,plain,hexagon
4410-00-757-508975000AND69479 INTERCHANGEABLE
Guide Assembly,valv
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4930-01-069-8023 INTERCHANGEABLE
Lubricating Unit,power Operated
5995-01-204-836656010 INTERCHANGEABLE
Lead,electrical
Translectric Corp
5330-01-425-0845750-01 INTERCHANGEABLE
Packing,preformed
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5998-01-454-998675000 INTERCHANGEABLE
Circuit Card Assembly
Bay Networks Inc
Cross-Reference Index
Part NumberManufacturer
75000 Viking Technologies, Ltd. (USA)
SG21CU PRIMARY Joint Electronics Type Designation System (USA)
Related Parts
5307-00-147-8125INTERCHANGEABLE
STUD
75000
5935-00-201-9270INTERCHANGEABLE
ADAPTER,CONNECTOR
75000
5940-00-443-0593INTERCHANGEABLE
TERMINAL,LUG
75000
7310-00-592-5283INTERCHANGEABLE
ADAPTER BAR
75012
5310-00-732-0560INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4410-00-757-5089INTERCHANGEABLE
GUIDE ASSEMBLY,VALV
75000AND69479
4930-01-069-8023INTERCHANGEABLE
LUBRICATING UNIT,POWER OPERATED
5995-01-204-8366INTERCHANGEABLE
LEAD,ELECTRICAL
56010
5330-01-425-0845INTERCHANGEABLE
PACKING,PREFORMED
750-01
5998-01-454-9986INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
75000
5120-01-473-9675INTERCHANGEABLE
BAR,PINCH
6532-01-526-5337INTERCHANGEABLE
BLANKET,SURGICAL
57000

Frequently Asked Questions

What is NSN 6625-00-020-8927?

NSN 6625-00-020-8927 is a Generator,signal, manufactured by Joint Electronics Type Designation System, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-020-8927?

NSN 6625-00-020-8927 has 2 cross-referenced part numbers: 75000 (Viking Technologies, Ltd.), SG21CU (Joint Electronics Type Designation System).

What NSN replaces 6625-00-020-8927?

There are 12 known substitutes for 6625-00-020-8927: 5307-00-147-8125, 5935-00-201-9270, 5940-00-443-0593 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SG21CU?

Key specifications for SG21CU: Output Impedance Rating: 12.0 KILOHMS NOMINAL; Phase: SINGLE; Frequency Range Rating: +10.000 TO 500.000 HERTZ; Calibration Accuracy Rating: PORM 0.050 PCT. 26 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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