The Felt,mechanical,preformed, cataloged under National Stock Number 5330-00-327-4042, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sealcraft Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-327-4042 |
| Primary Part Number | F400B251 |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sealcraft Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Aperture Diameter | 3.000 INCHES NOMINAL IN |
| Material | WOOL COMP 9R1 OVERALL |
| Joint Type | BUTT ONE SIDE |
| 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 |
|---|---|
| F400B251 PRIMARY | Sealcraft Corporation (USA) |
| Reference | Meaning |
|---|---|
| 109160 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 867022 | 5/9 Secondary reference Clark Equipment Co |
NSN 5330-00-327-4042 is a Felt,mechanical,preformed, manufactured by Sealcraft Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-327-4042 has 1 manufacturer part number on file: F400B251 (Sealcraft Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5998-01-437-0934, 5330-01-528-1880, 6120-01-651-9156. Verify interchangeability with system specifications before substitution.
Key specifications for F400B251: Cross-Sectional Height: 0.500 INCHES NOMINAL IN; Cross-Sectional Width: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE; Outside Diameter: 4.000 INCHES NOMINAL IN. 7 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.