The Seal,plain, cataloged under National Stock Number 5330-01-362-5044, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Macrotech Polyseal Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-362-5044 |
| Primary Part Number | 250-08.000 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Macrotech Polyseal Inc |
| Status | ACTIVE |
| Seal Width | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | LUBRITHANE,CAGE 57532 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Material | PLASTIC POLYURETHANE SEALING ELEMENT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SPRING |
| 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 |
|---|---|
| 250-08.000 PRIMARY | Macrotech Polyseal Inc (USA) |
| Reference | Meaning |
|---|---|
| 250-08.000 | 5/9 Secondary reference Microdot Inc Polyseal Div |
| WG210063 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-362-5044 is a Seal,plain, manufactured by Macrotech Polyseal Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-362-5044 has 1 manufacturer part number on file: 250-08.000 (Macrotech Polyseal Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-602-0142. Verify interchangeability with system specifications before substitution.
Key specifications for 250-08.000: Seal Width: 0.250 INCHES NOMINAL IN; Material Document and Classification: LUBRITHANE,CAGE 57532 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT; Special Features: 8 INCHES I.D.,8.500 INCHES O.D. IN; Material: PLASTIC POLYURETHANE SEALING ELEMENT. 4 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.