The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-229-8170, 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 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-229-8170 |
| Primary Part Number | C7507-2 |
| 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 |
| Temp Rating | -65.0 FAHRENHEIT AND -65.0 FAHRENHEIT AND 308.0 FAHRENHEIT308.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 1.380 INCHES NOMINAL1.380 INCHES NOMINAL IN |
| Cross-Sectional Width | 1.790 INCHES NOMINAL1.790 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | ZZ-R-765 CLASS 3B GRADE 50 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 35.120 INCHES NOMINAL35.120 INCHES NOMINAL IN |
| Material | PLASTIC ARAMID AND RUBBER SILICONE CLASS Q OVERALL |
| Construction | LAMINATEDLAMINATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CW-287-2 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 600-263 | Burke Industries Purosil Div (USA) |
| C7507-2 PRIMARY | Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division (USA) |
| S-23774-2 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| C7507-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| CW-287-2 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
NSN 5330-01-229-8170 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 5330-01-229-8170 has 4 manufacturer part numbers on file: CW-287-2 (Trelleborg Sealing Solutions Us, Inc.), 600-263 (Burke Industries Purosil Div), C7507-2 (Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division), S-23774-2 (Kirkhill, Inc. Dba Kirkhill Inc).
Key specifications for C7507-2: Temp Rating: -65.0 FAHRENHEIT AND -65.0 FAHRENHEIT AND 308.0 FAHRENHEIT308.0 FAHRENHEIT DEGF; Cross-Sectional Height: 1.380 INCHES NOMINAL1.380 INCHES NOMINAL IN; Cross-Sectional Width: 1.790 INCHES NOMINAL1.790 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.
NSN 5330-01-229-8170 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.