The Seal,plain, cataloged under National Stock Number 5330-01-006-3778, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-006-3778 |
| Primary Part Number | A6321 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Armstrong International Inc Dba Armstrong Machine Works |
| Status | ACTIVE |
| Housing Bore Diameter | 0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Material Document and Classification | 18-8SS,FSCM 03933 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Temp Rating | -20.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Seal Width | 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Accommodated Shaft Diameter | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT |
| Construction | SOLID |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A6321 PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
NSN 5330-01-006-3778 is a Seal,plain, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-01-006-3778 has 1 cross-referenced part number: A6321 (Armstrong International Inc Dba Armstrong Machine Works).
There is 1 known substitute for 5330-01-006-3778: 6240-00-295-2390. Verify interchangeability with system specifications before substitution.
Key specifications for A6321: Housing Bore Diameter: 0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Material Document and Classification: 18-8SS,FSCM 03933 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT; Temp Rating: -20.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Seal Width: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.