NSN 5935-01-664-1997 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-664-1997. Manufacturer of record part number: GTC0620-26S.
Terminal Location: FRONT SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity: 1 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size: 1.1250 INCHES IN
Contact Removability: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Identification
NSN: 5935-01-664-1997
NIIN: 016641997
FSC: 5935 — Connectors, Electrical
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: GTC0620-26S
Manufacturer: Amphenol Corp Div Amphenol Aerospace Operations
General Description
The Connector,plug,electrical, cataloged under National Stock Number 5935-01-664-1997, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5935-01-664-1997
Primary Part Number
GTC0620-26S
Item Name
Connector,plug,electrical
FSC / FSG
5935 / 59 — Connectors, Electrical
Manufacturer
Amphenol Corp Div Amphenol Aerospace Operations
Status
ACTIVE
Body Style
STRAIGHT SHAPE, INTERNAL COUPLING
Overall Diameter
1.571 INCHES NOMINAL IN
Mating End Quantity
1
Terminal Location
FRONT SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity
1 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size
1.1250 INCHES IN
Contact Removability
NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch
18
Thread Series Designator
UNEF
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5935-01-664-2005GTC0622-22PPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp
5935-01-664-2030GTC0622-22SPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp
5935-01-664-2038GTC0624-AJSPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp Div Amphenol Aerospace Operations
5935-01-664-2046GTC06-28-21P(LC)POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp
5935-01-664-2198GTC0628-5PPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp Div Amphenol Aerospace Operations
5935-01-664-2204GTC0628-5SPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp Div Amphenol Aerospace Operations
5935-01-664-2208GTC0628-6SPOSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Amphenol Corp Div Amphenol Aerospace Operations
Amphenol Corp Div Amphenol Aerospace Operations (USA)
Reference documents
Reference
Meaning
71-581240/259
D/9Drawing number reference only
Amphenol Corp Div Amphenol Aerospace Operations
Related Parts
5935-01-664-2005POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0622-22P
5935-01-664-2030POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0622-22S
5935-01-664-2038POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0624-AJS
5935-01-664-2046POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC06-28-21P(LC)
5935-01-664-2198POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0628-5P
5935-01-664-2204POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0628-5S
5935-01-664-2208POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
GTC0628-6S
Frequently Asked Questions
What is NSN 5935-01-664-1997?
NSN 5935-01-664-1997 is a Connector,plug,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
What part numbers are listed for NSN 5935-01-664-1997?
NSN 5935-01-664-1997 has 1 manufacturer part number on file: GTC0620-26S (Amphenol Corp Div Amphenol Aerospace Operations).
What NSN replaces 5935-01-664-1997?
7 possible matches (shared part number, not a government interchangeability claim): 5935-01-664-2005, 5935-01-664-2030, 5935-01-664-2038. Verify interchangeability with system specifications before substitution.
What are the specifications of GTC0620-26S?
Key specifications for GTC0620-26S: Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Overall Diameter: 1.571 INCHES NOMINAL IN; Mating End Quantity: 1; Overall Length: 1.344 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5935-01-664-1997 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.