PartsTable TECHNICAL DATA SHEET
NSN 5999-01-100-4937Government record, cited

Contact, Electrical5999-01-100-4937

NSN 5999-01-100-4937 · NIIN 011004937 · Part number 21-33138-255
Amphenol Corp Div Amphenol Aerospace Operations · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 77820
Government record, cited
NSN 5999-01-100-4937 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-100-4937. Manufacturer of record part number: 21-33138-255.
Also searched as  5999-01-100-4937 · 5999011004937 · NIIN 011004937 · 01-100-4937 · FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 77820 · 21-33138-255 · 2131606-2 · 2131606-2 · 21-33137-25
Nearby stock numbers  ·
Features
  • Contact,electrical — FSC 5999
  • Precious Material: GOLD
  • Mounting Method: FORCE FIT
  • Style Designator: PIN CENTER CONTACT
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Surface Treatment: GOLD AND NICKEL BODY AND CONTACT
  • Precious Material and Location: EXTERNAL SURFACES GOLD
  • Cable Entrance Diameter: 0.123 INCHES NOMINAL IN
Identification
  • NSN: 5999-01-100-4937
  • NIIN: 011004937
  • FSC: 5999 — Miscellaneous Electrical and Electronic Components
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 21-33138-255
  • Manufacturer: Amphenol Corp Div Amphenol Aerospace Operations
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-100-4937, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-100-4937
Primary Part Number21-33138-255
Item NameContact,electrical
FSC / FSG5999 / 59 — Miscellaneous Electrical and Electronic Components
ManufacturerAmphenol Corp Div Amphenol Aerospace Operations
StatusACTIVE
Precious MaterialGOLD
Mounting MethodFORCE FIT
Style DesignatorPIN CENTER CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Precious Material and LocationEXTERNAL SURFACES GOLD
Cable Entrance Diameter0.123 INCHES NOMINAL IN
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Shelf Life Code0
Criticality CodeX
Unit of IssueEA
Acquisition advice codeZN
Weight0.0400 lbs
Cube0.0232 cu ft
Cross-Reference Index
Part NumberManufacturer
21-33138-255 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Reference documents
ReferenceMeaning
2131606-2 5/9 Secondary reference
Honeywell Intl Inc Defense Avionics Systems
2131606-2 3/2 Design control — primary reference
U.S. Government activity
21-33137-25 5/9 Secondary reference
Amphenol Corp Div Amphenol Aerospace Operations
No interchangeability data on file.
Other items in FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file

Frequently Asked Questions

What is NSN 5999-01-100-4937?

NSN 5999-01-100-4937 is a Contact,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.

What part numbers are listed for NSN 5999-01-100-4937?

NSN 5999-01-100-4937 has 1 manufacturer part number on file: 21-33138-255 (Amphenol Corp Div Amphenol Aerospace Operations).

What are the specifications of 21-33138-255?

Key specifications for 21-33138-255: Precious Material: GOLD; Mounting Method: FORCE FIT; Style Designator: PIN CENTER CONTACT; Precious Material and Weight: 0.005 GOLD GRAINS, TROY. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5999-01-100-4937 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.
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