# NSN 4820-01-212-9918: Disk, Valve

NSN 4820-01-212-9918 (also written 4820012129918; NIIN 01-212-9918) is a disk, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-212-9918 (4820012129918)
- NIIN: 01-212-9918 (012129918)
- Item name: DISK,VALVE
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.075 |
| AAZE | SHANK DIAMETER | INCHES NOMINAL 0.125 |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 0.255 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.713 |
| AGAV | END ITEM IDENTIFICATION | U/O VALVE PN 323155 NSN 2995011990612 FOR F110 ENGINE |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 0.621 |
| CRRB | SEAT ANGLE | DEGREES NOMINAL 90.0 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | THIS ITEM IS ESSENTIAL TO WEAPON SYSTEM'S PERFORMANCE, OPERATION & SAFETY OF PERSONNEL |
| MATT | MATERIAL | STEEL COMP 630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S 5643, CO- 630, 17-4H |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |
| ZZZV | FSC APPLICATION DATA | MISCELLANEOUS ENGINE ACCESSORIES,AIRCRAFT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 321437 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A126G0004/SPE7MC26F0080](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012129918) | DISK, VALVE | PARKER-HANNIFIN CORPORATION DBA SERVICE AND SUPPORT OPERATION DIV SERVICES AND SUPPORT OPERATIONS | $54,414.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012129918&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012129918
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4820-01-212-9918/
JSON: https://nsnexplorer.com/api/nsn/4820-01-212-9918.json