The Disk,solid,plain, cataloged under National Stock Number 5330-00-558-8295, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 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 | 5330-00-558-8295 |
| Primary Part Number | MILR1149A |
| Item Name | Disk,solid,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | 1. VALVE,PRESSURE REGULATING |
| Material Document and Classification | MIL-STD-417, GRADE SB715 MIL STD SINGLE MATERIAL RESPONSE |
| Diameter | 1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN |
| Material | RUBBER |
| Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MILR1149A PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5330-00-558-8295 is a Disk,solid,plain, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-558-8295 has 1 manufacturer part number on file: MILR1149A (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for MILR1149A: FSC Application Data: 1. VALVE,PRESSURE REGULATING; Material Document and Classification: MIL-STD-417, GRADE SB715 MIL STD SINGLE MATERIAL RESPONSE; Diameter: 1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN; Material: RUBBER. 5 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.