The Plate,armor,seat,shoulder, cataloged under National Stock Number 1680-00-977-1973, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-00-977-1973 |
| Item Name | Plate,armor,seat,shoulder |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-250/4 COMP 2024 COND T351,TILE,CERAMIC,HIGH STRENGTH,COMMERCIAL GRADE,CLOTH,NYLON,BALLISTIC MIL-C-12369,EXTRUSION,ALUMINUM ALLOY QQ-A-200/11 COMP 7075-T6,DIM.,18.179 IN. NOM LG,15.420 IN. NOM TOP W,12.000 IN. NOM BOTTOM W,LOWER RIGHT SIDE TAPERED AT 60.0 DEG ANGLE STARTING AT 8.370 IN. FROM BOTTOM,TOP RIGHT CORNER CHAMFERED 1.000 IN. DEEP AND WIDE,EXTRUSION STRIP 12.000 IN. LG,1.087 IN. O/A W,0.130 IN. THICK W/0.375 IN. DIA ROUNDED EDGE ON BOTTOM RIVETED TO PANEL BOTTOM W/SEVEN EQUALLY SPACED RIVETS 0.537 IN. DISTANCE BETWEEN PANEL BOTTOM AND CENTER OF EXTRUSION ROUND,ALUMINUM AND TILE BONDED W/PROSEAL 890B1/2,COMPOSITE ARMOR WEIGHT 10.5 PSF MAX,NEOPRENE CHANNEL 0.500 IN. DEEP,0.700 IN. INSIDE WIDTH ATTACHED TO PANEL RIGHT EDGE,USED AS PANEL,SHOULDER,SLIDING,CO-PILOT ON UH-1B,D IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 178038-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-977-1973 is a Plate,armor,seat,shoulder, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-977-1973: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-250/4 COMP 2024 COND T351,TILE,CERAMIC,HIGH STRENGTH,COMMERCIAL GRADE,CLOTH,NYLON,BALLISTIC MIL-C-12369,EXTRUSION,ALUMINUM ALLOY QQ-A-200/11 COMP 7075-T6,DIM.,18.179 IN. NOM LG,15.420 IN. NOM TOP W,12.000 IN. NOM BOTTOM W,LOWER RIGHT SIDE TAPERED AT 60.0 DEG ANGLE STARTING AT 8.370 IN. FROM BOTTOM,TOP RIGHT CORNER CHAMFERED 1.000 IN. DEEP AND WIDE,EXTRUSION STRIP 12.000 IN. LG,1.087 IN. O/A W,0.130 IN. THICK W/0.375 IN. DIA ROUNDED EDGE ON BOTTOM RIVETED TO PANEL BOTTOM W/SEVEN EQUALLY SPACED RIVETS 0.537 IN. DISTANCE BETWEEN PANEL BOTTOM AND CENTER OF EXTRUSION ROUND,ALUMINUM AND TILE BONDED W/PROSEAL 890B1/2,COMPOSITE ARMOR WEIGHT 10.5 PSF MAX,NEOPRENE CHANNEL 0.500 IN. DEEP,0.700 IN. INSIDE WIDTH ATTACHED TO PANEL RIGHT EDGE,USED AS PANEL,SHOULDER,SLIDING,CO-PILOT ON UH-1B,D 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 1680-00-977-1973 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.