The Packing,preformed, cataloged under National Stock Number 5330-01-272-7201, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-272-7201 |
| Primary Part Number | 89028 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Charles Reed Knight Jr Dba Knight's Armament Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 89028 PRIMARY | Charles Reed Knight Jr Dba Knight's Armament Company (USA) |
| Reference | Meaning |
|---|---|
| KAS-006 | 5/9 Secondary reference Charles Reed Knight Jr Dba Knight's Armament Company |
NSN 5330-01-272-7201 is a Packing,preformed, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-272-7201 has 1 manufacturer part number on file: 89028 (Charles Reed Knight Jr Dba Knight's Armament Company).
3 possible matches (shared part number, not a government interchangeability claim): 2840-01-434-6273, 5975-01-459-8000, 5306-01-532-6801. Verify interchangeability with system specifications before substitution.
Key specifications for 89028: End Item Identification: IMPROVED HUSHPUPPY,1005012537833. 0 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.