The Disc,valve, cataloged under National Stock Number 1610-00-876-4337, is classified within Federal Supply Class 1610 (Aircraft Propellers and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 1610-00-876-4337 |
| Primary Part Number | 546638 |
| Item Name | Disc,valve |
| FSC / FSG | 1610 / 16 — Aircraft Propellers and Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,MIL-S-7420,DIM.,0.160 IN. NOM OD,0.0655 IN. MIN,0.0700 IN. MAX ID0.057 IN. MIN,0.058 IN. MAX THICK,ID COUNTERBORED TO 0.093 IN. DIA BY 0.025IN. DEEP,MAX SURFACE FINISH,LEFT FACE 4 MICROINCHES RMS OR BETTER,RIGHT FACECOUNTERBORED SIDE,20 MICROINCHES AA,FACES PARALLEL WITHIN 0.001 TIR 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 |
|---|---|
| 546638 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1610-00-876-4337 is a Disc,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1610, Aircraft Propellers and Components. Status: active.
NSN 1610-00-876-4337 has 1 manufacturer part number on file: 546638 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 546638: General Characteristics Item Description: STEEL,MIL-S-7420,DIM.,0.160 IN. NOM OD,0.0655 IN. MIN,0.0700 IN. MAX ID0.057 IN. MIN,0.058 IN. MAX THICK,ID COUNTERBORED TO 0.093 IN. DIA BY 0.025IN. DEEP,MAX SURFACE FINISH,LEFT FACE 4 MICROINCHES RMS OR BETTER,RIGHT FACECOUNTERBORED SIDE,20 MICROINCHES AA,FACES PARALLEL WITHIN 0.001 TIR 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.