The Lever,air Valve, cataloged under National Stock Number 4810-00-401-4977, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 1 specification, 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 | 4810-00-401-4977 |
| Primary Part Number | 131W61D46 |
| Item Name | Lever,air Valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CADMIUM FINISH; O/A LG 0.740 IN.;FIRST ARM 0.535 IN.;SECOND ARM 0.150 IN.;ANGLE BETWEEN ARMS 37.0 DEG;FIRST ARM FLAT PLATE WITH 0.187 IN. DIA HOLE;SECOND ARM CLEVIS WIDTH 0.440 IN.;CLEVIS SLOT WIDTH 0.132 IN.;CLEVIS SLOT DEPTH 0.347 IN.;HOLE FOR CLEVIS PIN 0.060 IN.;PIVOT HOLE 0.060 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 131W61D46 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
NSN 4810-00-401-4977 is a Lever,air Valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-401-4977 has 1 manufacturer part number on file: 131W61D46 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
Key specifications for 131W61D46: General Characteristics Item Description: STEEL,CADMIUM FINISH; O/A LG 0.740 IN.;FIRST ARM 0.535 IN.;SECOND ARM 0.150 IN.;ANGLE BETWEEN ARMS 37.0 DEG;FIRST ARM FLAT PLATE WITH 0.187 IN. DIA HOLE;SECOND ARM CLEVIS WIDTH 0.440 IN.;CLEVIS SLOT WIDTH 0.132 IN.;CLEVIS SLOT DEPTH 0.347 IN.;HOLE FOR CLEVIS PIN 0.060 IN.;PIVOT HOLE 0.060 IN. IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.