The Seal,plain, cataloged under National Stock Number 5330-01-144-9974, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-144-9974 |
| Primary Part Number | 460-550 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
| Status | ACTIVE |
| Seal Width | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Housing Bore Diameter | 6.500 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 5.495 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 460-550 PRIMARY | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| 460-550 | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA) |
| Reference | Meaning |
|---|---|
| 458-50018-4 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5330-01-144-9974 is a Seal,plain, manufactured by Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-144-9974 has 2 manufacturer part numbers on file: 460-550 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc), 460-550 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites).
Key specifications for 460-550: Seal Width: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN; Housing Bore Diameter: 6.500 INCHES NOMINAL IN; Accommodated Shaft Diameter: 5.495 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN; Construction: SOLID. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.