The Gasket, cataloged under National Stock Number 5330-01-007-1638, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-007-1638 |
| Primary Part Number | ST5M1427-20 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.050 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | AMS 3273 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 1.297 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.202 INCHES NOMINAL IN |
| Outside Corner Radius | 0.202 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.112 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.202 INCHES NOMINAL 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 |
|---|---|
| ST5M1427-20 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5330-01-007-1638 is a Gasket, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-007-1638 has 1 manufacturer part number on file: ST5M1427-20 (The Boeing Company Div Defense).
Key specifications for ST5M1427-20: Cross-Sectional Thickness: 0.050 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: AMS 3273 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.560 INCHES NOMINAL IN. 13 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.