The Packing,preformed, cataloged under National Stock Number 5330-01-260-5901, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Thales Nederland. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-260-5901 |
| Primary Part Number | 352250041845 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Thales Nederland |
| Status | ACTIVE |
| Temp Rating | -40.0 CELSIUS AND 121.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Supplementary Features | MFR SEAL MOLDS UNDERSIZE ID 7.987 IN. PORM 0.030 IN. IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Reference Data and Literature | CANCELED ARP568-171 CLASS 1 TOL |
| Cross-Sectional Shape Style | O-RING |
| Specification/standard Data | 81343-AR+568 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Peripheral Diameter | 8.193 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 CLASS AND 171 SIZE |
| Color | BLACK |
| Center Hole Diameter | 7.957 INCHES MINIMUM AND 8.017 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 352250041845 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| ARP568A-NR171 | 5/9 Secondary reference Minnesota Rubber Co |
| ARP568-171CLASS1 | 5/9 Secondary reference U.S. Government activity |
| MRC171NR | 5/1 Secondary reference Minnesota Rubber Co |
| 171NR | 3/1 Design control — primary reference Minnesota Rubber Co |
NSN 5330-01-260-5901 is a Packing,preformed, manufactured by Thales Nederland, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-260-5901 has 1 manufacturer part number on file: 352250041845 (Thales Nederland).
Key specifications for 352250041845: Temp Rating: -40.0 CELSIUS AND 121.0 CELSIUS DEGC; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Supplementary Features: MFR SEAL MOLDS UNDERSIZE ID 7.987 IN. PORM 0.030 IN. IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL. 12 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.