The Seal,plain Encased, cataloged under National Stock Number 5330-00-006-0770, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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 | 5330-00-006-0770 |
| Primary Part Number | M2621A |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | CANCELLED |
| Sealing Element Style | VERTICAL-ANGULAR |
| Accommodated Shaft Diameter | 2.500 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT A |
| Material | RUBBER SYNTHETIC SEALING ELEMENT B |
| Surface Treatment | PLASTIC CASE |
| Seal Width | 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Outside Diameter | 3.256 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Case Style | SQUARE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 410519SSR | Federal-Mogul Corp Government Sales Dept (USA) |
| M2621A PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 301-SN-935 | Zf Industrieantriebe Witten Gmbh (DEU) |
| M2621 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 171075R91 | Navistar International Corporation Dba Navistar (USA) |
| 00044 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 187984H1 | Komatsu American Intl Co (USA) |
| 24911 PRIMARY | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 410519 | Federal-Mogul Corp Government Sales Dept (USA) |
| 187984H1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 171075R91 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 24903 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 411509R61 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| M2621A | Twin Disc International S a (GBR) |
| M2621A | Marine & Industrial Transmissions Ltd (GBR) |
NSN 5330-00-006-0770 is a Seal,plain Encased, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-00-006-0770 has 15 cross-referenced part numbers: 410519SSR (Federal-Mogul Corp Government Sales Dept), M2621A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 301-SN-935 (Zf Industrieantriebe Witten Gmbh), M2621 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 171075R91 (Navistar International Corporation Dba Navistar) and 10 more.
There are 12 known substitutes for 5330-00-006-0770: 5330-00-078-0327, 5331-00-263-5090, 2840-00-320-2409 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M2621A: Sealing Element Style: VERTICAL-ANGULAR; Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN; Housing Bore Diameter: 3.251 INCHES MINIMUM AND 3.253 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC SEALING ELEMENT A. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-00-006-0770 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.