The Gasket, cataloged under National Stock Number 5330-01-255-6590, 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. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-255-6590 |
| Primary Part Number | 7-311527068-29 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.060 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-1149 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 4.270 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.310 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.170 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.140 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.170 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 |
|---|---|
| 7-311527068-29 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311527068-29 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 309116 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-255-6590 is a Gasket, manufactured by The Boeing Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-255-6590 has 1 manufacturer part number on file: 7-311527068-29 (The Boeing Company).
Key specifications for 7-311527068-29: Cross-Sectional Thickness: 0.060 INCHES NOMINAL IN; Material Document and Classification: MIL-G-1149 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 4.540 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.