The Seal,waveguide, cataloged under National Stock Number 5985-01-628-4274, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-628-4274 |
| Primary Part Number | 6640201 PC 4L1 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Seal Thickness | 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Seal Outside Diameter | 1.476 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Style Designator | CIRCULAR SOLID SEAL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE ALL SEAL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 6640201 PC 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6640201 PC 4 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5985-01-628-4274 is a Seal,waveguide, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-628-4274 has 1 manufacturer part number on file: 6640201 PC 4L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 6640201 PC 4L1: Seal Thickness: 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Seal Outside Diameter: 1.476 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Style Designator: CIRCULAR SOLID SEAL. 6 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.