The Packing,preformed, cataloged under National Stock Number 5330-01-181-4118, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-181-4118 |
| Primary Part Number | 337-8307 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Reference Data and Literature | SAE J200 |
| Cross-Sectional Shape Style | O-RING |
| Specification/standard Data | 81343-AS568 GOVERNMENT STANDARD AND 81346-ASTM D2000 GOVERNMENT SPECIFICATION |
| Peripheral Diameter | 3.395 INCHES NOMINAL IN |
| Center Hole Diameter | 2.960 INCHES MINIMUM AND 2.990 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND RUBBER OVERALL |
| 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 |
|---|---|
| 337-8307 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP337-8307 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| AS568-337 3CH720A25B14B34EO16E36 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-337 3CH720A25B14B34EO16E36 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-181-4118 is a Packing,preformed, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-181-4118 has 3 manufacturer part numbers on file: 337-8307 (Parker Hannifin Corporation Div O-Ring Division), PRP337-8307 (Parker Hannifin Corporation Div O-Ring Division), AS568-337 3CH720A25B14B34EO16E36 (Sae International Dba Sae International).
Key specifications for 337-8307: Temp Rating: -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL; Reference Data and Literature: SAE J200. 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.