The O-Ring, cataloged under National Stock Number 5331-00-057-8570, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-057-8570 |
| Primary Part Number | 58-009-15CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 68.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-P-5516, CL B MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 58-009-15CP | Naval Inventory Control Point Mechanicsburg (USA) |
| RE-000578570CP | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 2621-906X13 ITEM 88CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 58-009-15 | 3/1 Design control — primary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 0X58-009-15CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| N90-81604CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 0X58-009-15 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| RE-000578570CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5331-00-057-8570 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-057-8570 has 2 manufacturer part numbers on file: 58-009-15CP (Naval Inventory Control Point Mechanicsburg), RE-000578570CP (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for 58-009-15CP: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 68.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: ZZZY; Material Document and Classification: MIL-P-5516, CL B MIL SPEC SINGLE MATERIAL RESPONSE. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.