The O-Ring, cataloged under National Stock Number 5331-00-373-8437, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-373-8437 |
| Primary Part Number | 213546 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Material Document and Classification | AMS 7260 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Height | 0.986 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.986 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 213546 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 213546 | Turbo Power & Marine System Inc Sub of United Technologies Corp (USA) |
| 213547 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 213547 | Turbo Power & Marine System Inc Sub of United Technologies Corp (USA) |
| 213546 | Lord Corporation Dba Lord Corp (USA) |
| 213546 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 213546 | Jonal Laboratories Inc (USA) |
NSN 5331-00-373-8437 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-373-8437 has 7 cross-referenced part numbers: 213546 (Acushnet Rubber Company, Inc. Dba Precix), 213546 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 213547 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 213547 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 213546 (Lord Corporation Dba Lord Corp) and 2 more.
There are 4 known substitutes for 5331-00-373-8437: 5305-00-225-3843, 5305-00-639-8828, 5305-00-655-6362 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 213546: Special Features: CROSS SECTIONAL SHAPE STYLE IS D36 SPECIAL; PERIPHERAL DIAMETER IS 1.354INCHES MINIMUM AND 1.386 INCHES MAXIMUM IN; Material Document and Classification: AMS 7260 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Height: 0.986 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN; Center Hole Diameter: 0.986 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-373-8437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.