The O-Ring, cataloged under National Stock Number 5331-01-326-9281, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-326-9281 |
| Primary Part Number | NAS1611-439 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Center Hole Diameter | 6.452 INCHES MINIMUM AND 6.498 INCHES MAXIMUM IN |
| Material Document and Classification | NAS1613 ASSN STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NAS 1611-439 | Zf Industrieantriebe Witten Gmbh (DEU) |
| B-9837 ITEM 12 | R.s. Corcoran Co. (USA) |
| 2-439 | R.s. Corcoran Co. (USA) |
| 2-439E515-8 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-439E515-8 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| NAS1601-439 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NAS1611-439 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NAS1613 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 2-439E515-8 | The Boeing Company Div Defense (USA) |
NSN 5331-01-326-9281 is a O-Ring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-326-9281 has 9 cross-referenced part numbers: NAS 1611-439 (Zf Industrieantriebe Witten Gmbh), B-9837 ITEM 12 (R.s. Corcoran Co.), 2-439 (R.s. Corcoran Co.), 2-439E515-8 (Parker-Hannifin Corp Div O-Ring Division), 2-439E515-8 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters) and 4 more.
There are 12 known substitutes for 5331-01-326-9281: 5815-00-050-8907, 2530-00-143-4346, 5998-00-160-0897 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for NAS1611-439: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Center Hole Diameter: 6.452 INCHES MINIMUM AND 6.498 INCHES MAXIMUM IN; Material Document and Classification: NAS1613 ASSN STD SINGLE MATERIAL RESPONSE. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-326-9281 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.