# NSN 1620-00-133-4986: Stem, Pilot Sequence Valve

NSN 1620-00-133-4986 (also written 1620001334986; NIIN 00-133-4986) is a stem, pilot sequence valve in Federal Supply Class 1620, Aircraft Landing Gear Components. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1620-00-133-4986 (1620001334986)
- NIIN: 00-133-4986 (001334986)
- Item name: STEM,PILOT SEQUENCE VALVE
- Federal Supply Class: [FSC 1620 Aircraft Landing Gear Components](https://nsnexplorer.com/fsc/1620/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | FIT,FORM,FUCTION |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CRES,QQ-S-763 CLASS 440C COND A;0.960 IN. LG;0.560 IN. SHOULDER DIA;0.250 IN. GAGE DIA W/THREE FLATS EQUALLY SPACED ON CIRC OF O.248 IN. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4G13451-101A | 3H683 | INTERNATIONAL PRECISION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G13451-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G13541-101A | 13002 | GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G13541-101A | 24398 | EAGLE TOOL & MACHINE CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G13541-101A | 33822 | SPECIAL PROJECTS MFG CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G13541-101A | 55284 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4A126V1671](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620001334986) | STEM, PILOT SEQUENCE VALVE | — | $4,160.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1620001334986&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620001334986
- 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/1620-00-133-4986/
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