The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-021-7670, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-021-7670 |
| Primary Part Number | 425-101 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division |
| Status | ACTIVE |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Fabrication Method | SOLIDSOLID |
| Construction | SOLIDSOLID |
| 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 |
|---|---|
| 425-101 PRIMARY | Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division (USA) |
| Reference | Meaning |
|---|---|
| 220-20522-101 | 7/2 Vendor item drawing reference U.S. Government activity |
| 425-101 | 5/9 Secondary reference Burke Industries Purosil Div |
NSN 5330-01-021-7670 is a Seal,nonmetallic Special Shaped, manufactured by Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-021-7670 has 1 manufacturer part number on file: 425-101 (Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-202-4413, 6130-01-203-8971, 4330-01-605-3501. Verify interchangeability with system specifications before substitution.
Key specifications for 425-101: Material: RUBBER SILICONE CLASS Q OVERALL; Fabrication Method: SOLIDSOLID; Construction: SOLIDSOLID. 3 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.