The Packing with Retainer, cataloged under National Stock Number 5330-01-026-0834, 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 Rms - Mitchel Field. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-026-0834 |
| Primary Part Number | 831727-18 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Retainer Inside Diameter | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Packing Inside Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Retainer Thickness | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 RETAINER |
| Construction | TWO-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 |
|---|---|
| 831727-18 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 800-430-3/8 | 5/2 Secondary reference U.S. Government activity |
| 5193743-10 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 800-430-3-8 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
NSN 5330-01-026-0834 is a Packing with Retainer, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-026-0834 has 1 manufacturer part number on file: 831727-18 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 831727-18: Retainer Inside Diameter: 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Packing Inside Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Outside Diameter: 0.687 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 7 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.