The O-Ring, cataloged under National Stock Number 5331-01-234-4762, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 5331-01-234-4762 |
| Primary Part Number | MS9021-275 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | CLEANED IN ACCORDANCE WITH MIL-C-52211 |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | ZZZY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 10.762 INCHES NOMINAL IN |
| Elongation Percentage | 200 MAXIMUM |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS9021-275 | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| LM3110301PC25 | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| MS9021-275CP | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5331-01-234-4762 is a O-Ring, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-234-4762 has 3 cross-referenced part numbers: MS9021-275 (Cosmodyne, Llc Dba Cosmodyne Llc), LM3110301PC25 (Cosmodyne, Llc Dba Cosmodyne Llc), MS9021-275CP (Naval Inventory Control Point Mechanicsburg).
There is 1 known substitute for 5331-01-234-4762: 5331-00-542-1981. Verify interchangeability with system specifications before substitution.
Key specifications for MS9021-275: Reference Number Differentiating Characteristics: CLEANED IN ACCORDANCE WITH MIL-C-52211; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: ZZZY; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 7 total characteristics are documented in the Federal Logistics Information System.