The Seal,plain Encased, cataloged under National Stock Number 5330-01-025-4231, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-025-4231 |
| Primary Part Number | 53X2300 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Seal Width | 0.469 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Outside Diameter | 4.505 INCHES NOMINAL IN |
| Maximum Pressure Rating | 7.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Housing Bore Diameter | 0.438 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 4.500 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 53X2300 | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| X-74050 PIECE 4-9 | 5/9 Secondary reference U.S. Government activity |
| 18F681D298 | 3/9 Design control — primary reference Bomag Usa Sub of United Dominion Industries Ltd |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 33140 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-025-4231 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-025-4231 has 1 manufacturer part number on file: 53X2300 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).
5 possible matches (shared part number, not a government interchangeability claim): 6610-01-110-1368, 4810-01-141-2999, 4810-01-215-4371. Verify interchangeability with system specifications before substitution.
Key specifications for 53X2300: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Seal Width: 0.469 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Outside Diameter: 4.505 INCHES NOMINAL IN. 12 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.