The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-375-0462, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 9 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-375-0462 |
| Primary Part Number | 40176 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Diameter | 0.823 INCHES MINIMUM AND 0.838 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Surface Treatment | UNABLE TO DECODE |
| Cross Section Outside Diameter | 0.045 INCHES NOMINAL IN |
| Hole Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 40176 PRIMARY | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA) |
| ESSCG-B-06-0 | Spira Manufacturing Corporation Dba Spira Manufacturing Corp (USA) |
NSN 5999-01-375-0462 is a Shielding Gasket,electronic, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-375-0462 has 2 manufacturer part numbers on file: 40176 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), ESSCG-B-06-0 (Spira Manufacturing Corporation Dba Spira Manufacturing Corp).
Key specifications for 40176: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Style Designator: NON-CIRCULAR; Material Document and Classification: UNABLE TO DECODE; Overall Length: 1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN. 9 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.