The Packing,preformed, cataloged under National Stock Number 5330-00-409-3777, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Crosby Group Inc the Mckissick Plant Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-409-3777 |
| Primary Part Number | SE2020-11 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Crosby Group Inc the Mckissick Plant Div |
| Status | ACTIVE |
| Cross-Sectional Height | 0.156 INCHES NOMINAL IN |
| Material Document and Classification | MIL-C-6183 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | U |
| Peripheral Diameter | 1.875 INCHES NOMINAL IN |
| Center Hole Diameter | 1.281 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC AND CORK OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SE2020-11 PRIMARY | Crosby Group Inc the Mckissick Plant Div (USA) |
| Reference | Meaning |
|---|---|
| 10159182 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5330-00-409-3777 is a Packing,preformed, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-409-3777 has 1 manufacturer part number on file: SE2020-11 (Crosby Group Inc the Mckissick Plant Div).
1 possible match (shared part number, not a government interchangeability claim): 2995-00-567-7208. Verify interchangeability with system specifications before substitution.
Key specifications for SE2020-11: Cross-Sectional Height: 0.156 INCHES NOMINAL IN; Material Document and Classification: MIL-C-6183 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: U; Peripheral Diameter: 1.875 INCHES NOMINAL IN. 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.