The O-Ring, cataloged under National Stock Number 5331-01-656-9761, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 5331-01-656-9761 |
| Primary Part Number | 285113-0002 ITEM 60 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 285113-0002 ITEM 60 | Marotta Controls Inc (USA) |
| 285113-0002 ITEM 60CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 4400591-0120CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 4400591-0120 | Marotta Controls Inc (USA) |
NSN 5331-01-656-9761 is a O-Ring, manufactured by Marotta Controls Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-656-9761 has 4 cross-referenced part numbers: 285113-0002 ITEM 60 (Marotta Controls Inc), 285113-0002 ITEM 60CP (Naval Inventory Control Point Mechanicsburg), 4400591-0120CP (Naval Inventory Control Point Mechanicsburg), 4400591-0120 (Marotta Controls Inc).
There is 1 known substitute for 5331-01-656-9761: 5331-01-438-7519. Verify interchangeability with system specifications before substitution.
Key specifications for 285113-0002 ITEM 60: Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; End Item Identification: MANIFOLD ASSY; Criticality Code Justification: ZZZY. 3 total characteristics are documented in the Federal Logistics Information System.