The Gasket, cataloged under National Stock Number 5330-01-541-4329, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-541-4329 |
| Primary Part Number | 44955K311 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.094 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Bearing Surface Width | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 1.250 INCHES NOMINAL IN |
| Aperture Diameter | 0.750 INCHES NOMINAL IN |
| Material | GRAPHITE INNER RING |
| Material | STEEL AND CARBON GRAPHITE OUTER RING |
| 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 |
|---|---|
| 44955K311 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 44955K111 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 245748 | 5/1 Secondary reference Allied Systems Company Dba Allied Systems Co |
NSN 5330-01-541-4329 is a Gasket, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-541-4329 has 1 manufacturer part number on file: 44955K311 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-650-3593. Verify interchangeability with system specifications before substitution.
Key specifications for 44955K311: Cross-Sectional Thickness: 0.094 INCHES NOMINAL IN; Style Designator: CIRCULAR; Bearing Surface Width: 0.625 INCHES NOMINAL IN; Outside Diameter: 1.875 INCHES NOMINAL IN. 8 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.