General Characteristics Item Description: MATERIAL 0.125 THK,NYLON PLASTIC PER SPEC MIL-M-20693 TYPE 1
Identification
NSN: 5999-00-421-4138
NIIN: 004214138
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
General Description
The Guide,circuit Card Assembly, cataloged under National Stock Number 5999-00-421-4138, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5999-00-421-4138
Item Name
Guide,circuit Card Assembly
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Status
ACTIVE
General Characteristics Item Description
MATERIAL 0.125 THK,NYLON PLASTIC PER SPEC MIL-M-20693 TYPE 1
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
Weight
0.0200 lbs
Cube
0.0002 cu ft
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SM-D-619235
3/2Design control — primary reference
U.S. Government activity
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 5999-00-421-4138?
NSN 5999-00-421-4138 is a Guide,circuit Card Assembly, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What are the specifications of 5999-00-421-4138?
Key specifications for 5999-00-421-4138: General Characteristics Item Description: MATERIAL 0.125 THK,NYLON PLASTIC PER SPEC MIL-M-20693 TYPE 1; End Item Identification: COMSEC EQUIP TSEC/KG-27 SM-D-619235. 1 specification is documented in the U.S. Government catalog.
Is NSN 5999-00-421-4138 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.