The Seal,intensifier, cataloged under National Stock Number 5330-00-420-9293, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Twiflex Ltd. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Seal,intensifier |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Twiflex Ltd (CAGE U0912) |
| Parameter | Value |
|---|---|
| NSN | 5330-00-420-9293 |
| Primary Part Number | 710072 |
| Item Name | Seal,intensifier |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Twiflex Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 10644APC18 | Twiflex Ltd (GBR) |
| 710072 PRIMARY | Twiflex Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 710072 | 3/9 Design control — primary reference Twiflex Ltd |
| 10644APC18 | 5/9 Secondary reference Twiflex Ltd |
| 710072 | C/1 Advisory reference — outside the item-of-supply concept David Brown Gear Systems Limited |
| 710072 | 5/9 Secondary reference David Brown Special Products Ltd |
NSN 5330-00-420-9293 is a Seal,intensifier, manufactured by Twiflex Ltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-420-9293 has 2 manufacturer part numbers on file: 10644APC18 (Twiflex Ltd), 710072 (Twiflex Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-861-8351, 5340-01-470-6162. Verify interchangeability with system specifications before substitution.
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.