The Seal,plain Encased, cataloged under National Stock Number 5330-00-167-4899, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 9 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. 3 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 | 5330-00-167-4899 |
| Primary Part Number | 99439 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Temp Rating | 40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Seal Width | 0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 995 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.576 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE CASE |
| Material | ALUMINUM AND STEEL CASE |
| 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 |
|---|---|
| 99439 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5330-00-167-4899 is a Seal,plain Encased, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-167-4899 has 1 manufacturer part number on file: 99439 (Eaton Aerospace, Llc Dba Jackson South).
3 possible matches (shared part number, not a government interchangeability claim): 4720-00-927-5465, 5905-01-139-2642, 4720-01-591-7286. Verify interchangeability with system specifications before substitution.
Key specifications for 99439: Temp Rating: 40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Seal Width: 0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN. 9 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.