The Retainer,boot, cataloged under National Stock Number 1680-00-902-5321, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-902-5321 |
| Item Name | Retainer,boot |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CRES MIL-S-6721 COMP T1,PASSIVATED FW4007 BELL HELICOPTER CO.,SHAPE,CYLINDER WELDED TO CIRCULAR PLATE,DIM.,0.780 IN. NOM O/A LG,0.748 IN. NOM OD LG,1.370 IN. NOM OD,1.306 IN. NOM ID,2.750 IN. NOM FLANGE OD,0.032 IN. NOM FLANGE W,FOUR BOLT HOLES0.208 IN. MIN,0.214 IN. MAX DIA EQUALLY SPACED ON 2.150 IN. BOLT HOLE CIRCLE WITH 1.520 IN. CENTER TO CENTERDISTANCE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 209-060-755-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-902-5321 is a Retainer,boot, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-902-5321: General Characteristics Item Description: STEEL,CRES MIL-S-6721 COMP T1,PASSIVATED FW4007 BELL HELICOPTER CO.,SHAPE,CYLINDER WELDED TO CIRCULAR PLATE,DIM.,0.780 IN. NOM O/A LG,0.748 IN. NOM OD LG,1.370 IN. NOM OD,1.306 IN. NOM ID,2.750 IN. NOM FLANGE OD,0.032 IN. NOM FLANGE W,FOUR BOLT HOLES0.208 IN. MIN,0.214 IN. MAX DIA EQUALLY SPACED ON 2.150 IN. BOLT HOLE CIRCLE WITH 1.520 IN. CENTER TO CENTERDISTANCE 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.
NSN 1680-00-902-5321 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.