The Retainer,sleeve, cataloged under National Stock Number 1610-00-987-5121, 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 | 1610-00-987-5121 |
| Primary Part Number | 556769 |
| Item Name | Retainer,sleeve |
| FSC / FSG | 1610 / 16 — Aircraft Propellers and Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,QQ-S-763,CLASS 416,0.926/0.930 IN. LG O/A,0.621/0.623 IN. LARGEST BODY OD,0.580 IN. RELIEVED BODY OD,ONE EXTERNAL GROOVE,0.093/0.103 IN. W GROOVE,0.508/0.512 IN. DIA GROOVE,STEPPED BORE,0.498/0.502 IN. DIA 1ST STEP,0.625/0.635 IN. LG 1ST STEP,0.38 IN. DIA 2ND STEP,ONE INTERNAL GROOVE IN 1ST STEP,4 0.277 IN. DIA HOLES EQUALLY SPACED THRU RETAINER BODY 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 |
|---|---|
| 556769 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1610-00-987-5121 is a Retainer,sleeve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1610, Aircraft Propellers and Components. Status: active.
NSN 1610-00-987-5121 has 1 manufacturer part number on file: 556769 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 556769: General Characteristics Item Description: CRES,QQ-S-763,CLASS 416,0.926/0.930 IN. LG O/A,0.621/0.623 IN. LARGEST BODY OD,0.580 IN. RELIEVED BODY OD,ONE EXTERNAL GROOVE,0.093/0.103 IN. W GROOVE,0.508/0.512 IN. DIA GROOVE,STEPPED BORE,0.498/0.502 IN. DIA 1ST STEP,0.625/0.635 IN. LG 1ST STEP,0.38 IN. DIA 2ND STEP,ONE INTERNAL GROOVE IN 1ST STEP,4 0.277 IN. DIA HOLES EQUALLY SPACED THRU RETAINER BODY 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.