The Terminal,feedthru, cataloged under National Stock Number 5940-00-150-4508, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hermetic Seal Corporation Div Ametek Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-150-4508 |
| Primary Part Number | K1021-SS20-1 |
| Item Name | Terminal,feedthru |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Hermetic Seal Corporation Div Ametek Inc. |
| Status | ACTIVE |
| Identification Code Color | WHITE |
| Minor Bushing Length | 0.055 INCHES IN |
| Surface Treatment Document and Classification | MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSULATION SINGLE LAYER |
| Minor Bushing Diameter | 0.093 INCHES IN |
| Overall Diameter | 0.102 INCHES0.102 INCHES IN |
| Largest Diameter | 0.020 INCHES SINGLE END IN |
| First End Terminal Length | 0.320 INCHES IN |
| Major Bushing Length | 0.010 INCHES IN |
| Second End Terminal Length | 0.205 INCHES IN |
| Basic Shape Style | NONTUBULAR ROUND |
| Mounting Method Style | PRESS FIT |
| Electrical Insulation Feature | INSULATING SLEEVE |
| Dry Flashover Voltage Rating in Volts | 500.0 |
| Conductor Accommodation Type | PIN ALL ENDS |
| Surface Treatment | TIN OVERALL EXCEPT INSULATION SINGLE LAYER |
| Major Bushing Diameter | 0.102 INCHES IN |
| Material | IRON OVERALL EXCEPT INSULATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K1021-SS20-1 PRIMARY | Hermetic Seal Corporation Div Ametek Inc. (USA) |
| 24186-1 | Emcore Corporation Div Concord Division (USA) |
NSN 5940-00-150-4508 is a Terminal,feedthru, manufactured by Hermetic Seal Corporation Div Ametek Inc., classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-150-4508 has 2 manufacturer part numbers on file: K1021-SS20-1 (Hermetic Seal Corporation Div Ametek Inc.), 24186-1 (Emcore Corporation Div Concord Division).
1 possible match (shared part number, not a government interchangeability claim): 5360-00-232-0768. Verify interchangeability with system specifications before substitution.
Key specifications for K1021-SS20-1: Identification Code Color: WHITE; Minor Bushing Length: 0.055 INCHES IN; Surface Treatment Document and Classification: MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSULATION SINGLE LAYER; Minor Bushing Diameter: 0.093 INCHES IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.