The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-273-4121, 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 Northrop Grumman Systems Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-273-4121 |
| Primary Part Number | 161622 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN |
| Inside Corner Radius | 0.120 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Width | 3.010 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN |
| Outside Corner Bevel Length Along Width | 0.120 INCHES NOMINAL IN |
| Aperture Length | 4.880 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN |
| Outside Corner Bevel Length Along Length | 0.120 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Center to Center Distance Between Bolt Holes Along Length | 1.937 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.250 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.250 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.161 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.250 INCHES NOMINAL 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 | J |
| Part Number | Manufacturer |
|---|---|
| 161622 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 08-0401-2439 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 48-00503 | Technical Wire Products, Llc Dba Twp (USA) |
| Reference | Meaning |
|---|---|
| 08-0401-2439 | C/1 Advisory reference — outside the item-of-supply concept Chomerics Inc Shielding Technology Div |
NSN 5999-01-273-4121 is a Shielding Gasket,electronic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-273-4121 has 3 manufacturer part numbers on file: 161622 (Northrop Grumman Systems Corporation), 08-0401-2439 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 48-00503 (Technical Wire Products, Llc Dba Twp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-723-2595. Verify interchangeability with system specifications before substitution.
Key specifications for 161622: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN; Inside Corner Radius: 0.120 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR. 17 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.