The O-Ring, cataloged under National Stock Number 5331-01-287-4822, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-287-4822 |
| Primary Part Number | MS28775-137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZW |
| Center Hole Diameter | 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-137 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-137CP | Naval Inventory Control Point Mechanicsburg (USA) |
| A180-137CP | Naval Inventory Control Point Mechanicsburg (USA) |
| A180-137 | Vacco Industries (USA) |
NSN 5331-01-287-4822 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-287-4822 has 4 cross-referenced part numbers: MS28775-137 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28775-137CP (Naval Inventory Control Point Mechanicsburg), A180-137CP (Naval Inventory Control Point Mechanicsburg), A180-137 (Vacco Industries).
There are 4 known substitutes for 5331-01-287-4822: 5331-00-003-6690, 5331-00-224-4699, 5331-00-833-1429 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-137: Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW; End Item Identification: 7 VL MANIFOLD-6000PSI. 5 total characteristics are documented in the Federal Logistics Information System.