The Felt,mechanical,preformed, cataloged under National Stock Number 5330-01-118-2235, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Hilliard Corp. 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 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 | 5330-01-118-2235 |
| Primary Part Number | 3-56-1A |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Hilliard Corp |
| Status | ACTIVE |
| Lubrication Material | OIL OVERALL |
| Cross-Sectional Height | 0.187 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.219 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.406 INCHES NOMINAL IN |
| Aperture Diameter | 1.969 INCHES NOMINAL IN |
| Material | WOOL COMP 12R1 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 |
|---|---|
| 3-56-1A PRIMARY | The Hilliard Corp (USA) |
NSN 5330-01-118-2235 is a Felt,mechanical,preformed, manufactured by The Hilliard Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-118-2235 has 1 manufacturer part number on file: 3-56-1A (The Hilliard Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-200-5288, 6625-01-366-8925. Verify interchangeability with system specifications before substitution.
Key specifications for 3-56-1A: Lubrication Material: OIL OVERALL; Cross-Sectional Height: 0.187 INCHES NOMINAL IN; Cross-Sectional Width: 0.219 INCHES NOMINAL IN; Style Designator: CIRCULAR. 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.