The Retainer,seal, cataloged under National Stock Number 5330-01-504-6536, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-504-6536 |
| Primary Part Number | 3491AS0516-1 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Bolt Hole Diameter | 0.531 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B171 ALLOY C63000 NI-AL-BRZ ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 34.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 37.500 INCHES NOMINAL IN |
| Mounting Flange Diameter | 39.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 3491AS0516-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5330-01-504-6536 is a Retainer,seal, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-504-6536 has 1 manufacturer part number on file: 3491AS0516-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3491AS0516-1: Bolt Hole Diameter: 0.531 INCHES NOMINAL IN; Material Document and Classification: ASTM B171 ALLOY C63000 NI-AL-BRZ ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Aperture Diameter: 34.500 INCHES NOMINAL IN; Bolt Hole Quantity: 12. 8 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.