The Seal,dust, cataloged under National Stock Number 5330-00-435-2741, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Twiflex Ltd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-435-2741 |
| Primary Part Number | 670068 |
| Item Name | Seal,dust |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Twiflex Ltd |
| Status | ACTIVE |
| General Characteristics Item Description | SYNTHETIC RUBBER NXF K0382,3.807 IN. OD,1.718 IN. ID,0.651 IN. HIGH IN |
| 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 |
|---|---|
| 670068 | Twiflex Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 670068 | 5/9 Secondary reference John Crane Uk Ltd |
| 623PC23 | 5/9 Secondary reference Twiflex Ltd |
| 30833DPC670068 | 5/9 Secondary reference Twiflex Ltd |
| 670068 | 3/9 Design control — primary reference Twiflex Ltd |
NSN 5330-00-435-2741 is a Seal,dust, manufactured by Twiflex Ltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-435-2741 has 1 manufacturer part number on file: 670068 (Twiflex Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-550-4992, 5998-01-599-0888. Verify interchangeability with system specifications before substitution.
Key specifications for 670068: General Characteristics Item Description: SYNTHETIC RUBBER NXF K0382,3.807 IN. OD,1.718 IN. ID,0.651 IN. HIGH IN. 1 specification is 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.