The Seal,plain Encased, cataloged under National Stock Number 5330-00-446-9458, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-446-9458 |
| Primary Part Number | A-A-52524/1-188-1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Operating Medium | OIL |
| Seal Width | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE CASE |
| Relationship to Similar Equipment | REPLACES NSN 5330-00-846-3234 RN 96906-MS51000-1-86 /INACTIVE/ |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 7.998 INCHES MINIMUM AND 8.002 INCHES MAXIMUM IN |
| Material Document and Classification | KK-L-164 TANNAGE 3 FED SPEC ALL MATERIAL RESPONSES SEALING ELEMENT |
| Material Document and Classification | MIL-S-45005 MIL SPEC SINGLE MATERIAL RESPONSE CASE |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Specification/standard Data | 96906-MS51000 GOVERNMENT STANDARD |
| Accommodated Shaft Diameter | 6.500 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE ZINC OR CADMIUM AND CHROMATE CASE |
| Functional Description | PRESS MTG ROTARY SHAFT APPL |
| Material | STEEL CASE |
| Material | STEEL UNS K08500 SPRING |
| Material | LEATHER AND RUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO 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 |
|---|---|
| A-A-52524/1-188-1 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| MS51000-188-1 | 5/9 Secondary reference U.S. Government activity |
| 5330004469458 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MX51000-188 | 5/1 Secondary reference U.S. Government activity |
| A-A-52524/1 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 545216 | 5/9 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
NSN 5330-00-446-9458 is a Seal,plain Encased, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-446-9458 has 1 manufacturer part number on file: A-A-52524/1-188-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for A-A-52524/1-188-1: Operating Medium: OIL; Seal Width: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE CASE; Relationship to Similar Equipment: REPLACES NSN 5330-00-846-3234 RN 96906-MS51000-1-86 /INACTIVE/. 17 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.