The Plate,armor,seat Base, cataloged under National Stock Number 1680-00-975-0199, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-00-975-0199 |
| Item Name | Plate,armor,seat Base |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-250/4 COMP 2024 COND O,TILE,CERAMIC,HIGH STRENGTHCOMMERCIAL GRADE,CLOTH,NYLON,BALLISTICMIL-C-12369,BLOCK,ALUMINUM ALLOY QQ-A-225/9 COMP 7075-T6 OR QQ-A-200/11COMP 7075-T6,DIM.,17.500 IN. NOM LG,16.580 IN. NOM W,0.735 IN. MAX THICK,0.438 IN. NOM TILE THICKNESS,0.250 IN.NOM ALUMINUM ALLOY THICKNESS,TOP EDGE AND BOTH SIDES BENT AT 83.0 DEG ANGLE BY 1.250 IN. NOM WIDE W/8 HOLES 0.301 IN. DIA EQUALLY SPACED ON 14.000 IN. BSC,BOTTOM EDGE BENT AT 60.0 DEG ANGLEBY 1.120 IN. WIDE,BLOCK,SUPPORT 3.000 IN. NOM LG,2.550 IN. NOM W,0.500 IN. NOM THICK,FOUR HOLES 0.325 IN. NOM DIADRILLED THRU BLOCK AT EACH CORNER 1.000 IN. FROM TOP AND 0.560 IN. FROM EACH SIDE W/1.000 IN. CENTER TO CENTERDISTANCE,TWO THREADED HOLES W/0.250-20 UNC 3B THREADS LOCATED 1.000 IN. FROM TOP,0.550 IN. FROM BOTTOM AND 1.500 IN. FROM SIDE,BLOCK SECURED AT TOP LEFT AND RIGHT SIDES OFPANEL W/INSIDE HOLES AT 3.700 IN. BSC FROM EDGES,ALUMINUM AND TILE BONDED W/PROSEAL 890B1/2,COMPOSITE ARMOR WEIGHT 10. 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 |
|---|---|
| 178044-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-975-0199 is a Plate,armor,seat Base, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-975-0199: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-250/4 COMP 2024 COND O,TILE,CERAMIC,HIGH STRENGTHCOMMERCIAL GRADE,CLOTH,NYLON,BALLISTICMIL-C-12369,BLOCK,ALUMINUM ALLOY QQ-A-225/9 COMP 7075-T6 OR QQ-A-200/11COMP 7075-T6,DIM.,17.500 IN. NOM LG,16.580 IN. NOM W,0.735 IN. MAX THICK,0.438 IN. NOM TILE THICKNESS,0.250 IN.NOM ALUMINUM ALLOY THICKNESS,TOP EDGE AND BOTH SIDES BENT AT 83.0 DEG ANGLE BY 1.250 IN. NOM WIDE W/8 HOLES 0.301 IN. DIA EQUALLY SPACED ON 14.000 IN. BSC,BOTTOM EDGE BENT AT 60.0 DEG ANGLEBY 1.120 IN. WIDE,BLOCK,SUPPORT 3.000 IN. NOM LG,2.550 IN. NOM W,0.500 IN. NOM THICK,FOUR HOLES 0.325 IN. NOM DIADRILLED THRU BLOCK AT EACH CORNER 1.000 IN. FROM TOP AND 0.560 IN. FROM EACH SIDE W/1.000 IN. CENTER TO CENTERDISTANCE,TWO THREADED HOLES W/0.250-20 UNC 3B THREADS LOCATED 1.000 IN. FROM TOP,0.550 IN. FROM BOTTOM AND 1.500 IN. FROM SIDE,BLOCK SECURED AT TOP LEFT AND RIGHT SIDES OFPANEL W/INSIDE HOLES AT 3.700 IN. BSC FROM EDGES,ALUMINUM AND TILE BONDED W/PROSEAL 890B1/2,COMPOSITE ARMOR WEIGHT 10. 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 1680-00-975-0199 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.