The Terminal,feedthru, cataloged under National Stock Number 5940-01-326-6687, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5940-01-326-6687 |
| Primary Part Number | 1031-BE40-1 |
| Item Name | Terminal,feedthru |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Hermetic Seal Corporation Div Ametek Inc. |
| Status | ACTIVE |
| Second End Terminal Length | 0.375 INCHES IN |
| Basic Shape Style | NONTUBULAR ROUND |
| Electrical Insulation Feature | HERMETIC SEAL |
| 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 |
|---|---|
| 1031-BE40-1 PRIMARY | Hermetic Seal Corporation Div Ametek Inc. (USA) |
| Reference | Meaning |
|---|---|
| 48019 | 5/9 Secondary reference Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
NSN 5940-01-326-6687 is a Terminal,feedthru, manufactured by Hermetic Seal Corporation Div Ametek Inc., classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-326-6687 has 1 manufacturer part number on file: 1031-BE40-1 (Hermetic Seal Corporation Div Ametek Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-659-3181. Verify interchangeability with system specifications before substitution.
Key specifications for 1031-BE40-1: Second End Terminal Length: 0.375 INCHES IN; Basic Shape Style: NONTUBULAR ROUND; Electrical Insulation Feature: HERMETIC SEAL; Overall Height: 0.750 INCHES IN. 3 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.