The O-Ring, cataloged under National Stock Number 5331-00-263-8029, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 30 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 | 5331-00-263-8029 |
| Primary Part Number | MS29512-05 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN |
| Outside Diameter | 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29512-05 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| S8316U5 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| MS29512-5 | Wass Srl (ITA) |
| MS29512-05 | Le Joint Francais (FRA) |
| RT253-65-05 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| SR-822A-60-5 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| PRP568-01-457-60-05 | Parco, Llc (USA) |
| 5331PL0143626 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| PX-1775-05 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| SR-822A-60-5 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| SR-822A-60-05 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| MS29512-05 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 1793-5 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| S8316U5 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA) |
| MS29512-05 PRIMARY | Sae International Dba Sae International (USA) |
| 5661-0905 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| MS29512-05 | Society of Automotive Engineers Inc (USA) |
| 7866-05 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 10132432 | Nimikkeistokeskus Ncb Finland (FIN) |
| 7866-5 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-263-8029 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-263-8029 has 39 cross-referenced part numbers: MS29512-05 (Leonardo Spa Helicopters Division - Production Site), S8316U5 (Honeywell International Inc. Div Aerospace - Torrance), MS29512-5 (Wass Srl), MS29512-05 (Le Joint Francais), RT253-65-05 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp) and 34 more.
There are 12 known substitutes for 5331-00-263-8029: 5905-00-141-3882, 3455-00-227-9862, 5961-00-462-2873 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29512-05: Center Hole Diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN; Outside Diameter: 0.547 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-263-8029 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.