The O-Ring, cataloged under National Stock Number 5331-01-157-7160, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Stillman Seal Corporation Div Stillman Seal Corperation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-157-7160 |
| Primary Part Number | SZ7583-6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Stillman Seal Corporation Div Stillman Seal Corperation |
| Status | ACTIVE |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Center Hole Diameter | 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Temp Rating | -70.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Nondefinitive Spec/std Data | I TYPE AND I CLASS AND 70 GRADE |
| Material Document and Classification | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Height | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-01-157-7160 is a O-Ring, manufactured by Stillman Seal Corporation Div Stillman Seal Corperation, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-157-7160 has 2 cross-referenced part numbers: SZ7583-6 (Stillman Seal Corporation Div Stillman Seal Corperation), 5169221 (Naval Sea Systems Command).
There is 1 known substitute for 5331-01-157-7160: 5331-00-322-0137. Verify interchangeability with system specifications before substitution.
Key specifications for SZ7583-6: Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Material: RUBBER FLUOROSILICONE CLASS FQ; Center Hole Diameter: 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN; Temp Rating: -70.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF. 7 total characteristics are documented in the Federal Logistics Information System.