The Packing with Retainer, cataloged under National Stock Number 5330-00-618-4518, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-618-4518 |
| Primary Part Number | 1668953PC1 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Packing Inside Diameter | 0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Outside Diameter | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Packing Ring Cross-Sectional Diameter | 0.066 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-6855,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Retainer Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE RETAINER |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | ALUMINUM ALLOY RETAINER |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 10018687-002 | Us Army Aviation and Missile Command (USA) |
| 1668953PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 884732PC1 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 600-015-8P | 5/9 Secondary reference U.S. Government activity |
| 600-015-8 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 600-015-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-618-4518 is a Packing with Retainer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-618-4518 has 3 manufacturer part numbers on file: 10018687-002 (Us Army Aviation and Missile Command), 1668953PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 884732PC1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-715-2750. Verify interchangeability with system specifications before substitution.
Key specifications for 1668953PC1: Packing Inside Diameter: 0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Outside Diameter: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN; Packing Ring Cross-Sectional Diameter: 0.066 INCHES NOMINAL IN; Material Document and Classification: MIL-R-6855,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE PACKING. 9 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.