The O-Ring, cataloged under National Stock Number 5331-01-287-4834, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-287-4834 |
| Primary Part Number | NAS1611-129CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Color | BLACK |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Center Hole Diameter | 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Specification/standard Data | 80205-NAS1611 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | NAS1613,CL 1 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NAS1611-129CP | Naval Inventory Control Point Mechanicsburg (USA) |
| NAS1611-129 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NAS1611-129CP | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5331-01-287-4834 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-287-4834 has 3 cross-referenced part numbers: NAS1611-129CP (Naval Inventory Control Point Mechanicsburg), NAS1611-129 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1611-129CP (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).
There are 2 known substitutes for 5331-01-287-4834: 5331-00-127-2521, 5331-00-492-0575. Verify interchangeability with system specifications before substitution.
Key specifications for NAS1611-129CP: Color: BLACK; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Center Hole Diameter: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.