NSN 5999-00-421-4139 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-421-4139. Manufacturer of record part number: SIA-1575.
Also searched as5999-00-421-4139 ·
5999004214139 ·
NIIN 004214139 ·
00-421-4139 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 65884 · SIA-1575 · SM-D-619235-2
General Characteristics Item Description: MATERIAL NYLON PLASTIC,0.125 THK,PER SPEC MIL-M-20693,TYPE 1
1 manufacturer part number on file
Manufacturer of record: Sigmation Inc
Identification
NSN: 5999-00-421-4139
NIIN: 004214139
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: SIA-1575
Manufacturer: Sigmation Inc
General Description
The Guide,circuit Card, cataloged under National Stock Number 5999-00-421-4139, 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 Sigmation Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5999-00-421-4139
Primary Part Number
SIA-1575
Item Name
Guide,circuit Card
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Sigmation Inc
Status
ACTIVE
General Characteristics Item Description
MATERIAL NYLON PLASTIC,0.125 THK,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)
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 5999-00-421-4139?
NSN 5999-00-421-4139 is a Guide,circuit Card, manufactured by Sigmation Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-00-421-4139?
NSN 5999-00-421-4139 has 1 manufacturer part number on file: SIA-1575 (Sigmation Inc).
What are the specifications of SIA-1575?
Key specifications for SIA-1575: General Characteristics Item Description: MATERIAL NYLON PLASTIC,0.125 THK,PER SPEC MIL-M-20693,TYPE 1; End Item Identification: COMSEC EQUIP TSEC/KG-27 SM-D-619235-2. 1 specification is documented in the U.S. Government catalog.
Is NSN 5999-00-421-4139 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.