The Felt,mechanical,preformed, cataloged under National Stock Number 5330-01-049-7393, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 6 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 | 5330-01-049-7393 |
| Primary Part Number | 66757 |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Cross-Sectional Height | 0.188 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | MIL-F-10954 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SQUARE |
| End Cut Angle | 45.0 DEGREES |
| Material | WOOL AND COTTON 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 |
|---|---|
| 66757 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5330-01-049-7393 is a Felt,mechanical,preformed, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-049-7393 has 1 manufacturer part number on file: 66757 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-068-7316, 5977-01-271-6705. Verify interchangeability with system specifications before substitution.
Key specifications for 66757: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; Cross-Sectional Width: 0.188 INCHES NOMINAL IN; Material Document and Classification: MIL-F-10954 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Overall Length: 15.750 INCHES NOMINAL IN. 6 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.