The Cap,electrical, cataloged under National Stock Number 5999-01-021-1349, 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 Tyco Electronics Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-021-1349 |
| Primary Part Number | 2021-5096-44 |
| Item Name | Cap,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Tyco Electronics Corp |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Length | 0.330 INCHES NOMINAL IN |
| Chain | NOT INCLUDED |
| Mounting Method | NUT CONNECTED |
| Insert | NOT INCLUDED |
| Surface Treatment | GOLD |
| Fastening Facility | COUPLING NUT |
| Material | STEEL CORROSION RESISTING BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2021-5096-44 | Tyco Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 988265-4 | 5/2 Secondary reference U.S. Government activity |
| 16920 | 3/9 Design control — primary reference Tyco Electronics Corp |
NSN 5999-01-021-1349 is a Cap,electrical, manufactured by Tyco Electronics Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-021-1349 has 1 manufacturer part number on file: 2021-5096-44 (Tyco Electronics Corp).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-203-6650, 5920-01-252-4406, 6130-01-516-8457. Verify interchangeability with system specifications before substitution.
Key specifications for 2021-5096-44: Width Across Flats: 0.312 INCHES NOMINAL IN; Length: 0.330 INCHES NOMINAL IN; Chain: NOT INCLUDED; Mounting Method: NUT CONNECTED. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.