The Packing Assembly, cataloged under National Stock Number 5330-01-126-5288, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-126-5288 |
| Primary Part Number | 6379527-3 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Intermediate Ring Quantity | 1 |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-6130 TY 2,GR C,SOFT MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | MIL-R-6130 TY 2,GR C,SOFT MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Material Document and Classification | MIL-R-6130 TY 2,GR C,SOFT MIL SPEC SINGLE MATERIAL RESPONSE TOP RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR INTERMEDIATE RING |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Height | 1.310 INCHES NOMINAL IN |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR BOTTOM RING |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR INTERMEDIATE RING |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR TOP RING |
| 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 |
|---|---|
| 6379527-3 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 6379527-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-126-5288 is a Packing Assembly, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-126-5288 has 1 manufacturer part number on file: 6379527-3 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6379527-3: Intermediate Ring Quantity: 1; Outside Diameter: 3.000 INCHES NOMINAL IN; Material Document and Classification: MIL-R-6130 TY 2,GR C,SOFT MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING; Material Document and Classification: MIL-R-6130 TY 2,GR C,SOFT MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING. 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.